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Finding the Fourth Proportional to 95,164.86, 131,324 and 54,880.32

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Solution

The fourth proportional to 95,164.86, 131,324 and 54,880.32 is: 75,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,164.86 : 131,324 = 54,880.32 : x
  2. Step 2: Convert to fraction form
    95,164.86/131,324 = 54,880.32/x
  3. Step 3: Cross multiply
    95,164.86x = 131,324 × 54,880.32
  4. Step 4: Simplify right side
    95,164.86x = 7,207,103,143.68
  5. Step 5: Solve for x
    x = 7,207,103,143.68/95,164.86
  6. Step 6: Final answer
    x = 75,732.82

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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.