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Finding the Fourth Proportional to 132,479.48, 182,826.36 and 75,901.78

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Solution

The fourth proportional to 132,479.48, 182,826.36 and 75,901.78 is: 104,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,479.48 : 182,826.36 = 75,901.78 : x
  2. Step 2: Convert to fraction form
    132,479.48/182,826.36 = 75,901.78/x
  3. Step 3: Cross multiply
    132,479.48x = 182,826.36 × 75,901.78
  4. Step 4: Simplify right side
    132,479.48x = 13,876,846,154.92
  5. Step 5: Solve for x
    x = 13,876,846,154.92/132,479.48
  6. Step 6: Final answer
    x = 104,747.14

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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.