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Finding the Fourth Proportional to 159,847.92, 220,589.92 and 88,228

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Solution

The fourth proportional to 159,847.92, 220,589.92 and 88,228 is: 121,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,847.92 : 220,589.92 = 88,228 : x
  2. Step 2: Convert to fraction form
    159,847.92/220,589.92 = 88,228/x
  3. Step 3: Cross multiply
    159,847.92x = 220,589.92 × 88,228
  4. Step 4: Simplify right side
    159,847.92x = 19,462,207,461.76
  5. Step 5: Solve for x
    x = 19,462,207,461.76/159,847.92
  6. Step 6: Final answer
    x = 121,754.52

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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.