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Finding the Fourth Proportional to 361,202.70, 541,966.05 and 124,715.10

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Solution

The fourth proportional to 361,202.70, 541,966.05 and 124,715.10 is: 187,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,202.70 : 541,966.05 = 124,715.10 : x
  2. Step 2: Convert to fraction form
    361,202.70/541,966.05 = 124,715.10/x
  3. Step 3: Cross multiply
    361,202.70x = 541,966.05 × 124,715.10
  4. Step 4: Simplify right side
    361,202.70x = 67,591,350,122.36
  5. Step 5: Solve for x
    x = 67,591,350,122.36/361,202.70
  6. Step 6: Final answer
    x = 187,128.58

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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.