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Finding the Fourth Proportional to 83,359.53, 124,770.81 and 54,919.96

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Solution

The fourth proportional to 83,359.53, 124,770.81 and 54,919.96 is: 82,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,359.53 : 124,770.81 = 54,919.96 : x
  2. Step 2: Convert to fraction form
    83,359.53/124,770.81 = 54,919.96/x
  3. Step 3: Cross multiply
    83,359.53x = 124,770.81 × 54,919.96
  4. Step 4: Simplify right side
    83,359.53x = 6,852,407,894.37
  5. Step 5: Solve for x
    x = 6,852,407,894.37/83,359.53
  6. Step 6: Final answer
    x = 82,203.05

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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.