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Finding the Fourth Proportional to 132,393.62, 182,658.48 and 75,026.90

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Solution

The fourth proportional to 132,393.62, 182,658.48 and 75,026.90 is: 103,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,393.62 : 182,658.48 = 75,026.90 : x
  2. Step 2: Convert to fraction form
    132,393.62/182,658.48 = 75,026.90/x
  3. Step 3: Cross multiply
    132,393.62x = 182,658.48 × 75,026.90
  4. Step 4: Simplify right side
    132,393.62x = 13,704,299,513.11
  5. Step 5: Solve for x
    x = 13,704,299,513.11/132,393.62
  6. Step 6: Final answer
    x = 103,511.78

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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.