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Finding the Fourth Proportional to 87,693.84, 131,550.48 and 48,230.64

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Solution

The fourth proportional to 87,693.84, 131,550.48 and 48,230.64 is: 72,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,693.84 : 131,550.48 = 48,230.64 : x
  2. Step 2: Convert to fraction form
    87,693.84/131,550.48 = 48,230.64/x
  3. Step 3: Cross multiply
    87,693.84x = 131,550.48 × 48,230.64
  4. Step 4: Simplify right side
    87,693.84x = 6,344,763,842.71
  5. Step 5: Solve for x
    x = 6,344,763,842.71/87,693.84
  6. Step 6: Final answer
    x = 72,351.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.