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Finding the Fourth Proportional to 96,581.57, 144,776.03 and 45,891.63

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Solution

The fourth proportional to 96,581.57, 144,776.03 and 45,891.63 is: 68,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,581.57 : 144,776.03 = 45,891.63 : x
  2. Step 2: Convert to fraction form
    96,581.57/144,776.03 = 45,891.63/x
  3. Step 3: Cross multiply
    96,581.57x = 144,776.03 × 45,891.63
  4. Step 4: Simplify right side
    96,581.57x = 6,644,007,772.17
  5. Step 5: Solve for x
    x = 6,644,007,772.17/96,581.57
  6. Step 6: Final answer
    x = 68,791.68

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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.