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Finding the Fourth Proportional to 361,445.52, 542,122.02 and 95,226.60

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Solution

The fourth proportional to 361,445.52, 542,122.02 and 95,226.60 is: 142,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,445.52 : 542,122.02 = 95,226.60 : x
  2. Step 2: Convert to fraction form
    361,445.52/542,122.02 = 95,226.60/x
  3. Step 3: Cross multiply
    361,445.52x = 542,122.02 × 95,226.60
  4. Step 4: Simplify right side
    361,445.52x = 51,624,436,749.73
  5. Step 5: Solve for x
    x = 51,624,436,749.73/361,445.52
  6. Step 6: Final answer
    x = 142,827.71

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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.