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Finding the Fourth Proportional to 104,650.62, 144,414.79 and 59,332.78

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Solution

The fourth proportional to 104,650.62, 144,414.79 and 59,332.78 is: 81,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,650.62 : 144,414.79 = 59,332.78 : x
  2. Step 2: Convert to fraction form
    104,650.62/144,414.79 = 59,332.78/x
  3. Step 3: Cross multiply
    104,650.62x = 144,414.79 × 59,332.78
  4. Step 4: Simplify right side
    104,650.62x = 8,568,530,963.82
  5. Step 5: Solve for x
    x = 8,568,530,963.82/104,650.62
  6. Step 6: Final answer
    x = 81,877.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.