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Finding the Fourth Proportional to 162,832.96, 244,340.16 and 87,951.52

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Solution

The fourth proportional to 162,832.96, 244,340.16 and 87,951.52 is: 131,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,832.96 : 244,340.16 = 87,951.52 : x
  2. Step 2: Convert to fraction form
    162,832.96/244,340.16 = 87,951.52/x
  3. Step 3: Cross multiply
    162,832.96x = 244,340.16 × 87,951.52
  4. Step 4: Simplify right side
    162,832.96x = 21,490,088,469.04
  5. Step 5: Solve for x
    x = 21,490,088,469.04/162,832.96
  6. Step 6: Final answer
    x = 131,976.28

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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.