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Finding the Fourth Proportional to 144,952.62, 217,490.88 and 74,881.14

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Solution

The fourth proportional to 144,952.62, 217,490.88 and 74,881.14 is: 112,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,952.62 : 217,490.88 = 74,881.14 : x
  2. Step 2: Convert to fraction form
    144,952.62/217,490.88 = 74,881.14/x
  3. Step 3: Cross multiply
    144,952.62x = 217,490.88 × 74,881.14
  4. Step 4: Simplify right side
    144,952.62x = 16,285,965,034.00
  5. Step 5: Solve for x
    x = 16,285,965,034.00/144,952.62
  6. Step 6: Final answer
    x = 112,353.71

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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.