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Finding the Fourth Proportional to 123,591.99, 170,557.11 and 67,003.35

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Solution

The fourth proportional to 123,591.99, 170,557.11 and 67,003.35 is: 92,464.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,591.99 : 170,557.11 = 67,003.35 : x
  2. Step 2: Convert to fraction form
    123,591.99/170,557.11 = 67,003.35/x
  3. Step 3: Cross multiply
    123,591.99x = 170,557.11 × 67,003.35
  4. Step 4: Simplify right side
    123,591.99x = 11,427,897,736.32
  5. Step 5: Solve for x
    x = 11,427,897,736.32/123,591.99
  6. Step 6: Final answer
    x = 92,464.71

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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.