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Finding the Fourth Proportional to 83,864.64, 125,770.32 and 27,694.29

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Solution

The fourth proportional to 83,864.64, 125,770.32 and 27,694.29 is: 41,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,864.64 : 125,770.32 = 27,694.29 : x
  2. Step 2: Convert to fraction form
    83,864.64/125,770.32 = 27,694.29/x
  3. Step 3: Cross multiply
    83,864.64x = 125,770.32 × 27,694.29
  4. Step 4: Simplify right side
    83,864.64x = 3,483,119,715.47
  5. Step 5: Solve for x
    x = 3,483,119,715.47/83,864.64
  6. Step 6: Final answer
    x = 41,532.64

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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.