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Finding the Fourth Proportional to 108,057.53, 162,073.53 and 29,177.91

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Solution

The fourth proportional to 108,057.53, 162,073.53 and 29,177.91 is: 43,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,057.53 : 162,073.53 = 29,177.91 : x
  2. Step 2: Convert to fraction form
    108,057.53/162,073.53 = 29,177.91/x
  3. Step 3: Cross multiply
    108,057.53x = 162,073.53 × 29,177.91
  4. Step 4: Simplify right side
    108,057.53x = 4,728,966,871.72
  5. Step 5: Solve for x
    x = 4,728,966,871.72/108,057.53
  6. Step 6: Final answer
    x = 43,763.42

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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.