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Finding the Fourth Proportional to 223,693.92, 335,540.88 and 81,549.84

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Solution

The fourth proportional to 223,693.92, 335,540.88 and 81,549.84 is: 122,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,693.92 : 335,540.88 = 81,549.84 : x
  2. Step 2: Convert to fraction form
    223,693.92/335,540.88 = 81,549.84/x
  3. Step 3: Cross multiply
    223,693.92x = 335,540.88 × 81,549.84
  4. Step 4: Simplify right side
    223,693.92x = 27,363,305,077.46
  5. Step 5: Solve for x
    x = 27,363,305,077.46/223,693.92
  6. Step 6: Final answer
    x = 122,324.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.