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Finding the Fourth Proportional to 132,375.51, 182,679.41 and 71,946.30

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Solution

The fourth proportional to 132,375.51, 182,679.41 and 71,946.30 is: 99,286.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,375.51 : 182,679.41 = 71,946.30 : x
  2. Step 2: Convert to fraction form
    132,375.51/182,679.41 = 71,946.30/x
  3. Step 3: Cross multiply
    132,375.51x = 182,679.41 × 71,946.30
  4. Step 4: Simplify right side
    132,375.51x = 13,143,107,275.95
  5. Step 5: Solve for x
    x = 13,143,107,275.95/132,375.51
  6. Step 6: Final answer
    x = 99,286.55

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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.