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Finding the Fourth Proportional to 80,776.64, 111,474.96 and 44,965.28

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Solution

The fourth proportional to 80,776.64, 111,474.96 and 44,965.28 is: 62,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,776.64 : 111,474.96 = 44,965.28 : x
  2. Step 2: Convert to fraction form
    80,776.64/111,474.96 = 44,965.28/x
  3. Step 3: Cross multiply
    80,776.64x = 111,474.96 × 44,965.28
  4. Step 4: Simplify right side
    80,776.64x = 5,012,502,789.39
  5. Step 5: Solve for x
    x = 5,012,502,789.39/80,776.64
  6. Step 6: Final answer
    x = 62,053.87

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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.