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Finding the Fourth Proportional to 95,288.80, 131,506.62 and 52,861

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Solution

The fourth proportional to 95,288.80, 131,506.62 and 52,861 is: 72,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,288.80 : 131,506.62 = 52,861 : x
  2. Step 2: Convert to fraction form
    95,288.80/131,506.62 = 52,861/x
  3. Step 3: Cross multiply
    95,288.80x = 131,506.62 × 52,861
  4. Step 4: Simplify right side
    95,288.80x = 6,951,571,439.82
  5. Step 5: Solve for x
    x = 6,951,571,439.82/95,288.80
  6. Step 6: Final answer
    x = 72,952.66

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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.