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Finding the Fourth Proportional to 141,767.97, 212,691.36 and 61,812.92

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Solution

The fourth proportional to 141,767.97, 212,691.36 and 61,812.92 is: 92,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,767.97 : 212,691.36 = 61,812.92 : x
  2. Step 2: Convert to fraction form
    141,767.97/212,691.36 = 61,812.92/x
  3. Step 3: Cross multiply
    141,767.97x = 212,691.36 × 61,812.92
  4. Step 4: Simplify right side
    141,767.97x = 13,147,074,020.37
  5. Step 5: Solve for x
    x = 13,147,074,020.37/141,767.97
  6. Step 6: Final answer
    x = 92,736.56

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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.