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Finding the Fourth Proportional to 161,292.57, 222,589.41 and 88,700.97

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Solution

The fourth proportional to 161,292.57, 222,589.41 and 88,700.97 is: 122,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,292.57 : 222,589.41 = 88,700.97 : x
  2. Step 2: Convert to fraction form
    161,292.57/222,589.41 = 88,700.97/x
  3. Step 3: Cross multiply
    161,292.57x = 222,589.41 × 88,700.97
  4. Step 4: Simplify right side
    161,292.57x = 19,743,896,578.73
  5. Step 5: Solve for x
    x = 19,743,896,578.73/161,292.57
  6. Step 6: Final answer
    x = 122,410.45

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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.