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Finding the Fourth Proportional to 95,290.80, 131,509.38 and 52,863

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Solution

The fourth proportional to 95,290.80, 131,509.38 and 52,863 is: 72,955.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,290.80 : 131,509.38 = 52,863 : x
  2. Step 2: Convert to fraction form
    95,290.80/131,509.38 = 52,863/x
  3. Step 3: Cross multiply
    95,290.80x = 131,509.38 × 52,863
  4. Step 4: Simplify right side
    95,290.80x = 6,951,980,354.94
  5. Step 5: Solve for x
    x = 6,951,980,354.94/95,290.80
  6. Step 6: Final answer
    x = 72,955.42

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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.