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Finding the Fourth Proportional to 361,510.17, 542,256.75 and 124,830.60

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Solution

The fourth proportional to 361,510.17, 542,256.75 and 124,830.60 is: 187,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,510.17 : 542,256.75 = 124,830.60 : x
  2. Step 2: Convert to fraction form
    361,510.17/542,256.75 = 124,830.60/x
  3. Step 3: Cross multiply
    361,510.17x = 542,256.75 × 124,830.60
  4. Step 4: Simplify right side
    361,510.17x = 67,690,235,456.55
  5. Step 5: Solve for x
    x = 67,690,235,456.55/361,510.17
  6. Step 6: Final answer
    x = 187,242.96

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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.