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Finding the Fourth Proportional to 80,043.39, 119,957.76 and 62,295.48

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Solution

The fourth proportional to 80,043.39, 119,957.76 and 62,295.48 is: 93,359.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,043.39 : 119,957.76 = 62,295.48 : x
  2. Step 2: Convert to fraction form
    80,043.39/119,957.76 = 62,295.48/x
  3. Step 3: Cross multiply
    80,043.39x = 119,957.76 × 62,295.48
  4. Step 4: Simplify right side
    80,043.39x = 7,472,826,238.92
  5. Step 5: Solve for x
    x = 7,472,826,238.92/80,043.39
  6. Step 6: Final answer
    x = 93,359.69

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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.