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Finding the Fourth Proportional to 123,766.68, 170,793.44 and 67,176.84

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Solution

The fourth proportional to 123,766.68, 170,793.44 and 67,176.84 is: 92,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,766.68 : 170,793.44 = 67,176.84 : x
  2. Step 2: Convert to fraction form
    123,766.68/170,793.44 = 67,176.84/x
  3. Step 3: Cross multiply
    123,766.68x = 170,793.44 × 67,176.84
  4. Step 4: Simplify right side
    123,766.68x = 11,473,363,591.93
  5. Step 5: Solve for x
    x = 11,473,363,591.93/123,766.68
  6. Step 6: Final answer
    x = 92,701.55

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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.