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Finding the Fourth Proportional to 361,447.52, 542,125.02 and 95,228.60

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Solution

The fourth proportional to 361,447.52, 542,125.02 and 95,228.60 is: 142,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,447.52 : 542,125.02 = 95,228.60 : x
  2. Step 2: Convert to fraction form
    361,447.52/542,125.02 = 95,228.60/x
  3. Step 3: Cross multiply
    361,447.52x = 542,125.02 × 95,228.60
  4. Step 4: Simplify right side
    361,447.52x = 51,625,806,679.57
  5. Step 5: Solve for x
    x = 51,625,806,679.57/361,447.52
  6. Step 6: Final answer
    x = 142,830.71

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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.