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Finding the Fourth Proportional to 108,700.38, 162,997.92 and 63,734.04

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Solution

The fourth proportional to 108,700.38, 162,997.92 and 63,734.04 is: 95,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,700.38 : 162,997.92 = 63,734.04 : x
  2. Step 2: Convert to fraction form
    108,700.38/162,997.92 = 63,734.04/x
  3. Step 3: Cross multiply
    108,700.38x = 162,997.92 × 63,734.04
  4. Step 4: Simplify right side
    108,700.38x = 10,388,515,953.20
  5. Step 5: Solve for x
    x = 10,388,515,953.20/108,700.38
  6. Step 6: Final answer
    x = 95,570.19

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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.