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Finding the Fourth Proportional to 83,810.70, 125,861.85 and 44,444.70

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Solution

The fourth proportional to 83,810.70, 125,861.85 and 44,444.70 is: 66,744.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,810.70 : 125,861.85 = 44,444.70 : x
  2. Step 2: Convert to fraction form
    83,810.70/125,861.85 = 44,444.70/x
  3. Step 3: Cross multiply
    83,810.70x = 125,861.85 × 44,444.70
  4. Step 4: Simplify right side
    83,810.70x = 5,593,892,164.70
  5. Step 5: Solve for x
    x = 5,593,892,164.70/83,810.70
  6. Step 6: Final answer
    x = 66,744.37

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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.