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Finding the Fourth Proportional to 132,359.52, 182,660.22 and 75,789.12

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Solution

The fourth proportional to 132,359.52, 182,660.22 and 75,789.12 is: 104,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,359.52 : 182,660.22 = 75,789.12 : x
  2. Step 2: Convert to fraction form
    132,359.52/182,660.22 = 75,789.12/x
  3. Step 3: Cross multiply
    132,359.52x = 182,660.22 × 75,789.12
  4. Step 4: Simplify right side
    132,359.52x = 13,843,657,332.81
  5. Step 5: Solve for x
    x = 13,843,657,332.81/132,359.52
  6. Step 6: Final answer
    x = 104,591.32

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1.5x scale

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.