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Finding the Fourth Proportional to 361,503.96, 542,247.72 and 124,824.36

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Solution

The fourth proportional to 361,503.96, 542,247.72 and 124,824.36 is: 187,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,503.96 : 542,247.72 = 124,824.36 : x
  2. Step 2: Convert to fraction form
    361,503.96/542,247.72 = 124,824.36/x
  3. Step 3: Cross multiply
    361,503.96x = 542,247.72 × 124,824.36
  4. Step 4: Simplify right side
    361,503.96x = 67,685,724,610.46
  5. Step 5: Solve for x
    x = 67,685,724,610.46/361,503.96
  6. Step 6: Final answer
    x = 187,233.70

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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.