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Finding the Fourth Proportional to 361,402.32, 542,189.52 and 124,746.96

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Solution

The fourth proportional to 361,402.32, 542,189.52 and 124,746.96 is: 187,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,402.32 : 542,189.52 = 124,746.96 : x
  2. Step 2: Convert to fraction form
    361,402.32/542,189.52 = 124,746.96/x
  3. Step 3: Cross multiply
    361,402.32x = 542,189.52 × 124,746.96
  4. Step 4: Simplify right side
    361,402.32x = 67,636,494,363.86
  5. Step 5: Solve for x
    x = 67,636,494,363.86/361,402.32
  6. Step 6: Final answer
    x = 187,150.14

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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.