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Finding the Fourth Proportional to 112,375.92, 155,065.56 and 62,071.92

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Solution

The fourth proportional to 112,375.92, 155,065.56 and 62,071.92 is: 85,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,375.92 : 155,065.56 = 62,071.92 : x
  2. Step 2: Convert to fraction form
    112,375.92/155,065.56 = 62,071.92/x
  3. Step 3: Cross multiply
    112,375.92x = 155,065.56 × 62,071.92
  4. Step 4: Simplify right side
    112,375.92x = 9,625,217,035.08
  5. Step 5: Solve for x
    x = 9,625,217,035.08/112,375.92
  6. Step 6: Final answer
    x = 85,651.95

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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.