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Finding the Fourth Proportional to 132,375.63, 182,679.77 and 71,946.29

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Solution

The fourth proportional to 132,375.63, 182,679.77 and 71,946.29 is: 99,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,375.63 : 182,679.77 = 71,946.29 : x
  2. Step 2: Convert to fraction form
    132,375.63/182,679.77 = 71,946.29/x
  3. Step 3: Cross multiply
    132,375.63x = 182,679.77 × 71,946.29
  4. Step 4: Simplify right side
    132,375.63x = 13,143,132,346.12
  5. Step 5: Solve for x
    x = 13,143,132,346.12/132,375.63
  6. Step 6: Final answer
    x = 99,286.64

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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.