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Finding the Fourth Proportional to 83,969.70, 125,954.55 and 73,034.70

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Solution

The fourth proportional to 83,969.70, 125,954.55 and 73,034.70 is: 109,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,969.70 : 125,954.55 = 73,034.70 : x
  2. Step 2: Convert to fraction form
    83,969.70/125,954.55 = 73,034.70/x
  3. Step 3: Cross multiply
    83,969.70x = 125,954.55 × 73,034.70
  4. Step 4: Simplify right side
    83,969.70x = 9,199,052,772.89
  5. Step 5: Solve for x
    x = 9,199,052,772.89/83,969.70
  6. Step 6: Final answer
    x = 109,552.05

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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.