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Finding the Fourth Proportional to 161,218.92, 222,489.64 and 89,600.12

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Solution

The fourth proportional to 161,218.92, 222,489.64 and 89,600.12 is: 123,652.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,218.92 : 222,489.64 = 89,600.12 : x
  2. Step 2: Convert to fraction form
    161,218.92/222,489.64 = 89,600.12/x
  3. Step 3: Cross multiply
    161,218.92x = 222,489.64 × 89,600.12
  4. Step 4: Simplify right side
    161,218.92x = 19,935,098,442.76
  5. Step 5: Solve for x
    x = 19,935,098,442.76/161,218.92
  6. Step 6: Final answer
    x = 123,652.35

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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.