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Finding the Fourth Proportional to 86,503.17, 129,827.66 and 33,949.56

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Solution

The fourth proportional to 86,503.17, 129,827.66 and 33,949.56 is: 50,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,503.17 : 129,827.66 = 33,949.56 : x
  2. Step 2: Convert to fraction form
    86,503.17/129,827.66 = 33,949.56/x
  3. Step 3: Cross multiply
    86,503.17x = 129,827.66 × 33,949.56
  4. Step 4: Simplify right side
    86,503.17x = 4,407,591,932.83
  5. Step 5: Solve for x
    x = 4,407,591,932.83/86,503.17
  6. Step 6: Final answer
    x = 50,952.95

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