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Finding the Fourth Proportional to 91,859.17, 137,753.22 and 35,691.89

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Solution

The fourth proportional to 91,859.17, 137,753.22 and 35,691.89 is: 53,524.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,859.17 : 137,753.22 = 35,691.89 : x
  2. Step 2: Convert to fraction form
    91,859.17/137,753.22 = 35,691.89/x
  3. Step 3: Cross multiply
    91,859.17x = 137,753.22 × 35,691.89
  4. Step 4: Simplify right side
    91,859.17x = 4,916,672,465.36
  5. Step 5: Solve for x
    x = 4,916,672,465.36/91,859.17
  6. Step 6: Final answer
    x = 53,524.02

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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.