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Finding the Fourth Proportional to 161,616.32, 223,046.03 and 89,996.32

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Solution

The fourth proportional to 161,616.32, 223,046.03 and 89,996.32 is: 124,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,616.32 : 223,046.03 = 89,996.32 : x
  2. Step 2: Convert to fraction form
    161,616.32/223,046.03 = 89,996.32/x
  3. Step 3: Cross multiply
    161,616.32x = 223,046.03 × 89,996.32
  4. Step 4: Simplify right side
    161,616.32x = 20,073,321,890.61
  5. Step 5: Solve for x
    x = 20,073,321,890.61/161,616.32
  6. Step 6: Final answer
    x = 124,203.56

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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.