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Finding the Fourth Proportional to 159,856.44, 220,597.71 and 88,234.92

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Solution

The fourth proportional to 159,856.44, 220,597.71 and 88,234.92 is: 121,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,856.44 : 220,597.71 = 88,234.92 : x
  2. Step 2: Convert to fraction form
    159,856.44/220,597.71 = 88,234.92/x
  3. Step 3: Cross multiply
    159,856.44x = 220,597.71 × 88,234.92
  4. Step 4: Simplify right side
    159,856.44x = 19,464,421,294.03
  5. Step 5: Solve for x
    x = 19,464,421,294.03/159,856.44
  6. Step 6: Final answer
    x = 121,761.88

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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.