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Finding the Fourth Proportional to 132,474.92, 182,809.86 and 75,891.56

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Solution

The fourth proportional to 132,474.92, 182,809.86 and 75,891.56 is: 104,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,474.92 : 182,809.86 = 75,891.56 : x
  2. Step 2: Convert to fraction form
    132,474.92/182,809.86 = 75,891.56/x
  3. Step 3: Cross multiply
    132,474.92x = 182,809.86 × 75,891.56
  4. Step 4: Simplify right side
    132,474.92x = 13,873,725,458.78
  5. Step 5: Solve for x
    x = 13,873,725,458.78/132,474.92
  6. Step 6: Final answer
    x = 104,727.19

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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.