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Finding the Fourth Proportional to 72,246.30, 108,369.45 and 59,999.10

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Solution

The fourth proportional to 72,246.30, 108,369.45 and 59,999.10 is: 89,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,246.30 : 108,369.45 = 59,999.10 : x
  2. Step 2: Convert to fraction form
    72,246.30/108,369.45 = 59,999.10/x
  3. Step 3: Cross multiply
    72,246.30x = 108,369.45 × 59,999.10
  4. Step 4: Simplify right side
    72,246.30x = 6,502,069,467.50
  5. Step 5: Solve for x
    x = 6,502,069,467.50/72,246.30
  6. Step 6: Final answer
    x = 89,998.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.