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Finding the Fourth Proportional to 123,685.44, 170,686.24 and 67,096.82

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Solution

The fourth proportional to 123,685.44, 170,686.24 and 67,096.82 is: 92,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,685.44 : 170,686.24 = 67,096.82 : x
  2. Step 2: Convert to fraction form
    123,685.44/170,686.24 = 67,096.82/x
  3. Step 3: Cross multiply
    123,685.44x = 170,686.24 × 67,096.82
  4. Step 4: Simplify right side
    123,685.44x = 11,452,502,732.84
  5. Step 5: Solve for x
    x = 11,452,502,732.84/123,685.44
  6. Step 6: Final answer
    x = 92,593.78

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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.