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Finding the Fourth Proportional to 161,217.43, 222,473.22 and 89,601.88

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Solution

The fourth proportional to 161,217.43, 222,473.22 and 89,601.88 is: 123,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,217.43 : 222,473.22 = 89,601.88 : x
  2. Step 2: Convert to fraction form
    161,217.43/222,473.22 = 89,601.88/x
  3. Step 3: Cross multiply
    161,217.43x = 222,473.22 × 89,601.88
  4. Step 4: Simplify right side
    161,217.43x = 19,934,018,761.65
  5. Step 5: Solve for x
    x = 19,934,018,761.65/161,217.43
  6. Step 6: Final answer
    x = 123,646.80

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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.