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Finding the Fourth Proportional to 124,991.97, 187,449.33 and 36,252

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Solution

The fourth proportional to 124,991.97, 187,449.33 and 36,252 is: 54,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,991.97 : 187,449.33 = 36,252 : x
  2. Step 2: Convert to fraction form
    124,991.97/187,449.33 = 36,252/x
  3. Step 3: Cross multiply
    124,991.97x = 187,449.33 × 36,252
  4. Step 4: Simplify right side
    124,991.97x = 6,795,413,111.16
  5. Step 5: Solve for x
    x = 6,795,413,111.16/124,991.97
  6. Step 6: Final answer
    x = 54,366.80

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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.