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Finding the Fourth Proportional to 161,230.32, 222,487.56 and 89,605.98

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Solution

The fourth proportional to 161,230.32, 222,487.56 and 89,605.98 is: 123,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,230.32 : 222,487.56 = 89,605.98 : x
  2. Step 2: Convert to fraction form
    161,230.32/222,487.56 = 89,605.98/x
  3. Step 3: Cross multiply
    161,230.32x = 222,487.56 × 89,605.98
  4. Step 4: Simplify right side
    161,230.32x = 19,936,215,851.61
  5. Step 5: Solve for x
    x = 19,936,215,851.61/161,230.32
  6. Step 6: Final answer
    x = 123,650.54

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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.