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Finding the Fourth Proportional to 104,591.96, 156,800.49 and 48,472.29

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Solution

The fourth proportional to 104,591.96, 156,800.49 and 48,472.29 is: 72,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,591.96 : 156,800.49 = 48,472.29 : x
  2. Step 2: Convert to fraction form
    104,591.96/156,800.49 = 48,472.29/x
  3. Step 3: Cross multiply
    104,591.96x = 156,800.49 × 48,472.29
  4. Step 4: Simplify right side
    104,591.96x = 7,600,478,823.42
  5. Step 5: Solve for x
    x = 7,600,478,823.42/104,591.96
  6. Step 6: Final answer
    x = 72,667.91

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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.