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Finding the Fourth Proportional to 80,769.54, 111,465.24 and 44,957.28

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Solution

The fourth proportional to 80,769.54, 111,465.24 and 44,957.28 is: 62,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,769.54 : 111,465.24 = 44,957.28 : x
  2. Step 2: Convert to fraction form
    80,769.54/111,465.24 = 44,957.28/x
  3. Step 3: Cross multiply
    80,769.54x = 111,465.24 × 44,957.28
  4. Step 4: Simplify right side
    80,769.54x = 5,011,174,004.95
  5. Step 5: Solve for x
    x = 5,011,174,004.95/80,769.54
  6. Step 6: Final answer
    x = 62,042.87

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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.