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Finding the Fourth Proportional to 95,321.76, 131,544.68 and 52,881

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Solution

The fourth proportional to 95,321.76, 131,544.68 and 52,881 is: 72,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,321.76 : 131,544.68 = 52,881 : x
  2. Step 2: Convert to fraction form
    95,321.76/131,544.68 = 52,881/x
  3. Step 3: Cross multiply
    95,321.76x = 131,544.68 × 52,881
  4. Step 4: Simplify right side
    95,321.76x = 6,956,214,223.08
  5. Step 5: Solve for x
    x = 6,956,214,223.08/95,321.76
  6. Step 6: Final answer
    x = 72,976.14

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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.