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Finding the Fourth Proportional to 132,066.78, 182,250.39 and 75,476.70

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Solution

The fourth proportional to 132,066.78, 182,250.39 and 75,476.70 is: 104,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,066.78 : 182,250.39 = 75,476.70 : x
  2. Step 2: Convert to fraction form
    132,066.78/182,250.39 = 75,476.70/x
  3. Step 3: Cross multiply
    132,066.78x = 182,250.39 × 75,476.70
  4. Step 4: Simplify right side
    132,066.78x = 13,755,658,010.91
  5. Step 5: Solve for x
    x = 13,755,658,010.91/132,066.78
  6. Step 6: Final answer
    x = 104,156.84

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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.