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Finding the Fourth Proportional to 161,562.88, 222,958.96 and 88,974.40

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Solution

The fourth proportional to 161,562.88, 222,958.96 and 88,974.40 is: 122,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,562.88 : 222,958.96 = 88,974.40 : x
  2. Step 2: Convert to fraction form
    161,562.88/222,958.96 = 88,974.40/x
  3. Step 3: Cross multiply
    161,562.88x = 222,958.96 × 88,974.40
  4. Step 4: Simplify right side
    161,562.88x = 19,837,639,690.62
  5. Step 5: Solve for x
    x = 19,837,639,690.62/161,562.88
  6. Step 6: Final answer
    x = 122,785.88

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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.