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Finding the Fourth Proportional to 348,892.20, 523,006.07 and 112,068.86

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Solution

The fourth proportional to 348,892.20, 523,006.07 and 112,068.86 is: 167,996.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,892.20 : 523,006.07 = 112,068.86 : x
  2. Step 2: Convert to fraction form
    348,892.20/523,006.07 = 112,068.86/x
  3. Step 3: Cross multiply
    348,892.20x = 523,006.07 × 112,068.86
  4. Step 4: Simplify right side
    348,892.20x = 58,612,690,862.61
  5. Step 5: Solve for x
    x = 58,612,690,862.61/348,892.20
  6. Step 6: Final answer
    x = 167,996.56

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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.