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Finding the Fourth Proportional to 123,589.44, 170,553.03 and 67,000.83

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Solution

The fourth proportional to 123,589.44, 170,553.03 and 67,000.83 is: 92,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,589.44 : 170,553.03 = 67,000.83 : x
  2. Step 2: Convert to fraction form
    123,589.44/170,553.03 = 67,000.83/x
  3. Step 3: Cross multiply
    123,589.44x = 170,553.03 × 67,000.83
  4. Step 4: Simplify right side
    123,589.44x = 11,427,194,569.01
  5. Step 5: Solve for x
    x = 11,427,194,569.01/123,589.44
  6. Step 6: Final answer
    x = 92,460.93

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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.