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Finding the Fourth Proportional to 159,059.76, 219,410.96 and 95,360.55

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Solution

The fourth proportional to 159,059.76, 219,410.96 and 95,360.55 is: 131,542.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,059.76 : 219,410.96 = 95,360.55 : x
  2. Step 2: Convert to fraction form
    159,059.76/219,410.96 = 95,360.55/x
  3. Step 3: Cross multiply
    159,059.76x = 219,410.96 × 95,360.55
  4. Step 4: Simplify right side
    159,059.76x = 20,923,149,344.83
  5. Step 5: Solve for x
    x = 20,923,149,344.83/159,059.76
  6. Step 6: Final answer
    x = 131,542.69

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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.