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Finding the Fourth Proportional to 94,991.91, 131,092.70 and 52,549.71

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Solution

The fourth proportional to 94,991.91, 131,092.70 and 52,549.71 is: 72,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,991.91 : 131,092.70 = 52,549.71 : x
  2. Step 2: Convert to fraction form
    94,991.91/131,092.70 = 52,549.71/x
  3. Step 3: Cross multiply
    94,991.91x = 131,092.70 × 52,549.71
  4. Step 4: Simplify right side
    94,991.91x = 6,888,883,105.37
  5. Step 5: Solve for x
    x = 6,888,883,105.37/94,991.91
  6. Step 6: Final answer
    x = 72,520.73

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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.