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Finding the Fourth Proportional to 361,892.07, 542,875.37 and 125,234.37

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Solution

The fourth proportional to 361,892.07, 542,875.37 and 125,234.37 is: 187,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,892.07 : 542,875.37 = 125,234.37 : x
  2. Step 2: Convert to fraction form
    361,892.07/542,875.37 = 125,234.37/x
  3. Step 3: Cross multiply
    361,892.07x = 542,875.37 × 125,234.37
  4. Step 4: Simplify right side
    361,892.07x = 67,986,654,324.30
  5. Step 5: Solve for x
    x = 67,986,654,324.30/361,892.07
  6. Step 6: Final answer
    x = 187,864.45

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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.