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Finding the Fourth Proportional to 347,877.92, 521,773.32 and 111,200.96

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Solution

The fourth proportional to 347,877.92, 521,773.32 and 111,200.96 is: 166,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,877.92 : 521,773.32 = 111,200.96 : x
  2. Step 2: Convert to fraction form
    347,877.92/521,773.32 = 111,200.96/x
  3. Step 3: Cross multiply
    347,877.92x = 521,773.32 × 111,200.96
  4. Step 4: Simplify right side
    347,877.92x = 58,021,694,086.39
  5. Step 5: Solve for x
    x = 58,021,694,086.39/347,877.92
  6. Step 6: Final answer
    x = 166,787.52

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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.