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Finding the Fourth Proportional to 132,950.88, 183,468.87 and 72,522.90

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Solution

The fourth proportional to 132,950.88, 183,468.87 and 72,522.90 is: 100,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,950.88 : 183,468.87 = 72,522.90 : x
  2. Step 2: Convert to fraction form
    132,950.88/183,468.87 = 72,522.90/x
  3. Step 3: Cross multiply
    132,950.88x = 183,468.87 × 72,522.90
  4. Step 4: Simplify right side
    132,950.88x = 13,305,694,512.12
  5. Step 5: Solve for x
    x = 13,305,694,512.12/132,950.88
  6. Step 6: Final answer
    x = 100,079.78

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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.