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Finding the Fourth Proportional to 361,508.67, 542,254.50 and 124,829.10

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Solution

The fourth proportional to 361,508.67, 542,254.50 and 124,829.10 is: 187,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,508.67 : 542,254.50 = 124,829.10 : x
  2. Step 2: Convert to fraction form
    361,508.67/542,254.50 = 124,829.10/x
  3. Step 3: Cross multiply
    361,508.67x = 542,254.50 × 124,829.10
  4. Step 4: Simplify right side
    361,508.67x = 67,689,141,205.95
  5. Step 5: Solve for x
    x = 67,689,141,205.95/361,508.67
  6. Step 6: Final answer
    x = 187,240.71

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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.