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Finding the Fourth Proportional to 73,691.84, 110,516.08 and 26,299.28

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Solution

The fourth proportional to 73,691.84, 110,516.08 and 26,299.28 is: 39,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,691.84 : 110,516.08 = 26,299.28 : x
  2. Step 2: Convert to fraction form
    73,691.84/110,516.08 = 26,299.28/x
  3. Step 3: Cross multiply
    73,691.84x = 110,516.08 × 26,299.28
  4. Step 4: Simplify right side
    73,691.84x = 2,906,493,332.42
  5. Step 5: Solve for x
    x = 2,906,493,332.42/73,691.84
  6. Step 6: Final answer
    x = 39,441.18

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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.