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Finding the Fourth Proportional to 123,833.56, 170,888.52 and 67,244.80

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Solution

The fourth proportional to 123,833.56, 170,888.52 and 67,244.80 is: 92,796.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,833.56 : 170,888.52 = 67,244.80 : x
  2. Step 2: Convert to fraction form
    123,833.56/170,888.52 = 67,244.80/x
  3. Step 3: Cross multiply
    123,833.56x = 170,888.52 × 67,244.80
  4. Step 4: Simplify right side
    123,833.56x = 11,491,364,349.70
  5. Step 5: Solve for x
    x = 11,491,364,349.70/123,833.56
  6. Step 6: Final answer
    x = 92,796.85

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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.