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Finding the Fourth Proportional to 361,705.96, 542,553.27 and 88,155.29

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Solution

The fourth proportional to 361,705.96, 542,553.27 and 88,155.29 is: 132,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,705.96 : 542,553.27 = 88,155.29 : x
  2. Step 2: Convert to fraction form
    361,705.96/542,553.27 = 88,155.29/x
  3. Step 3: Cross multiply
    361,705.96x = 542,553.27 × 88,155.29
  4. Step 4: Simplify right side
    361,705.96x = 47,828,940,857.30
  5. Step 5: Solve for x
    x = 47,828,940,857.30/361,705.96
  6. Step 6: Final answer
    x = 132,231.55

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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.