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Finding the Fourth Proportional to 123,767.67, 170,800.26 and 67,179.04

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Solution

The fourth proportional to 123,767.67, 170,800.26 and 67,179.04 is: 92,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,767.67 : 170,800.26 = 67,179.04 : x
  2. Step 2: Convert to fraction form
    123,767.67/170,800.26 = 67,179.04/x
  3. Step 3: Cross multiply
    123,767.67x = 170,800.26 × 67,179.04
  4. Step 4: Simplify right side
    123,767.67x = 11,474,197,498.55
  5. Step 5: Solve for x
    x = 11,474,197,498.55/123,767.67
  6. Step 6: Final answer
    x = 92,707.55

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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.