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Finding the Fourth Proportional to 132,264, 182,535.84 and 72,659.52

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Solution

The fourth proportional to 132,264, 182,535.84 and 72,659.52 is: 100,276.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,264 : 182,535.84 = 72,659.52 : x
  2. Step 2: Convert to fraction form
    132,264/182,535.84 = 72,659.52/x
  3. Step 3: Cross multiply
    132,264x = 182,535.84 × 72,659.52
  4. Step 4: Simplify right side
    132,264x = 13,262,966,517.20
  5. Step 5: Solve for x
    x = 13,262,966,517.20/132,264
  6. Step 6: Final answer
    x = 100,276.47

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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.