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Finding the Fourth Proportional to 361,791.54, 542,088.27 and 125,002.62

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Solution

The fourth proportional to 361,791.54, 542,088.27 and 125,002.62 is: 187,296.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,791.54 : 542,088.27 = 125,002.62 : x
  2. Step 2: Convert to fraction form
    361,791.54/542,088.27 = 125,002.62/x
  3. Step 3: Cross multiply
    361,791.54x = 542,088.27 × 125,002.62
  4. Step 4: Simplify right side
    361,791.54x = 67,762,454,021.27
  5. Step 5: Solve for x
    x = 67,762,454,021.27/361,791.54
  6. Step 6: Final answer
    x = 187,296.96

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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.