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Finding the Fourth Proportional to 95,550.43, 131,558.43 and 86,693.08

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Solution

The fourth proportional to 95,550.43, 131,558.43 and 86,693.08 is: 119,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,550.43 : 131,558.43 = 86,693.08 : x
  2. Step 2: Convert to fraction form
    95,550.43/131,558.43 = 86,693.08/x
  3. Step 3: Cross multiply
    95,550.43x = 131,558.43 × 86,693.08
  4. Step 4: Simplify right side
    95,550.43x = 11,405,205,496.66
  5. Step 5: Solve for x
    x = 11,405,205,496.66/95,550.43
  6. Step 6: Final answer
    x = 119,363.20

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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.