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Finding the Fourth Proportional to 132,418.67, 182,754.57 and 75,067.32

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Solution

The fourth proportional to 132,418.67, 182,754.57 and 75,067.32 is: 103,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,418.67 : 182,754.57 = 75,067.32 : x
  2. Step 2: Convert to fraction form
    132,418.67/182,754.57 = 75,067.32/x
  3. Step 3: Cross multiply
    132,418.67x = 182,754.57 × 75,067.32
  4. Step 4: Simplify right side
    132,418.67x = 13,718,895,787.65
  5. Step 5: Solve for x
    x = 13,718,895,787.65/132,418.67
  6. Step 6: Final answer
    x = 103,602.43

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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.