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Finding the Fourth Proportional to 103,250.70, 154,877.13 and 44,049.42

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Solution

The fourth proportional to 103,250.70, 154,877.13 and 44,049.42 is: 66,074.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,250.70 : 154,877.13 = 44,049.42 : x
  2. Step 2: Convert to fraction form
    103,250.70/154,877.13 = 44,049.42/x
  3. Step 3: Cross multiply
    103,250.70x = 154,877.13 × 44,049.42
  4. Step 4: Simplify right side
    103,250.70x = 6,822,247,747.76
  5. Step 5: Solve for x
    x = 6,822,247,747.76/103,250.70
  6. Step 6: Final answer
    x = 66,074.59

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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.