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Finding the Fourth Proportional to 162,804.30, 244,206.45 and 74,230.80

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Solution

The fourth proportional to 162,804.30, 244,206.45 and 74,230.80 is: 111,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,804.30 : 244,206.45 = 74,230.80 : x
  2. Step 2: Convert to fraction form
    162,804.30/244,206.45 = 74,230.80/x
  3. Step 3: Cross multiply
    162,804.30x = 244,206.45 × 74,230.80
  4. Step 4: Simplify right side
    162,804.30x = 18,127,640,148.66
  5. Step 5: Solve for x
    x = 18,127,640,148.66/162,804.30
  6. Step 6: Final answer
    x = 111,346.20

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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.