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Finding the Fourth Proportional to 123,862.60, 170,927.58 and 67,272.76

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Solution

The fourth proportional to 123,862.60, 170,927.58 and 67,272.76 is: 92,834.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,862.60 : 170,927.58 = 67,272.76 : x
  2. Step 2: Convert to fraction form
    123,862.60/170,927.58 = 67,272.76/x
  3. Step 3: Cross multiply
    123,862.60x = 170,927.58 × 67,272.76
  4. Step 4: Simplify right side
    123,862.60x = 11,498,770,066.72
  5. Step 5: Solve for x
    x = 11,498,770,066.72/123,862.60
  6. Step 6: Final answer
    x = 92,834.88

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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.