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Finding the Fourth Proportional to 111,251.17, 166,887 and 36,371.71

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Solution

The fourth proportional to 111,251.17, 166,887 and 36,371.71 is: 54,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,251.17 : 166,887 = 36,371.71 : x
  2. Step 2: Convert to fraction form
    111,251.17/166,887 = 36,371.71/x
  3. Step 3: Cross multiply
    111,251.17x = 166,887 × 36,371.71
  4. Step 4: Simplify right side
    111,251.17x = 6,069,965,566.77
  5. Step 5: Solve for x
    x = 6,069,965,566.77/111,251.17
  6. Step 6: Final answer
    x = 54,560.91

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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.