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Finding the Fourth Proportional to 206,373.92, 309,535.92 and 56,626.40

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Solution

The fourth proportional to 206,373.92, 309,535.92 and 56,626.40 is: 84,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,373.92 : 309,535.92 = 56,626.40 : x
  2. Step 2: Convert to fraction form
    206,373.92/309,535.92 = 56,626.40/x
  3. Step 3: Cross multiply
    206,373.92x = 309,535.92 × 56,626.40
  4. Step 4: Simplify right side
    206,373.92x = 17,527,904,820.29
  5. Step 5: Solve for x
    x = 17,527,904,820.29/206,373.92
  6. Step 6: Final answer
    x = 84,932.75

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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.