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Finding the Fourth Proportional to 123,616.31, 170,589.80 and 67,026.47

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Solution

The fourth proportional to 123,616.31, 170,589.80 and 67,026.47 is: 92,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,616.31 : 170,589.80 = 67,026.47 : x
  2. Step 2: Convert to fraction form
    123,616.31/170,589.80 = 67,026.47/x
  3. Step 3: Cross multiply
    123,616.31x = 170,589.80 × 67,026.47
  4. Step 4: Simplify right side
    123,616.31x = 11,434,031,776.87
  5. Step 5: Solve for x
    x = 11,434,031,776.87/123,616.31
  6. Step 6: Final answer
    x = 92,496.14

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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.