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Finding the Fourth Proportional to 272,454.43, 408,683.96 and 94,961.15

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Solution

The fourth proportional to 272,454.43, 408,683.96 and 94,961.15 is: 142,442.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,454.43 : 408,683.96 = 94,961.15 : x
  2. Step 2: Convert to fraction form
    272,454.43/408,683.96 = 94,961.15/x
  3. Step 3: Cross multiply
    272,454.43x = 408,683.96 × 94,961.15
  4. Step 4: Simplify right side
    272,454.43x = 38,809,098,353.35
  5. Step 5: Solve for x
    x = 38,809,098,353.35/272,454.43
  6. Step 6: Final answer
    x = 142,442.53

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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.