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Finding the Fourth Proportional to 117,493.08, 162,140.54 and 63,778.08

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Solution

The fourth proportional to 117,493.08, 162,140.54 and 63,778.08 is: 88,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,493.08 : 162,140.54 = 63,778.08 : x
  2. Step 2: Convert to fraction form
    117,493.08/162,140.54 = 63,778.08/x
  3. Step 3: Cross multiply
    117,493.08x = 162,140.54 × 63,778.08
  4. Step 4: Simplify right side
    117,493.08x = 10,341,012,620.50
  5. Step 5: Solve for x
    x = 10,341,012,620.50/117,493.08
  6. Step 6: Final answer
    x = 88,013.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.