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Finding the Fourth Proportional to 251,770.70, 377,568.02 and 74,230.58

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Solution

The fourth proportional to 251,770.70, 377,568.02 and 74,230.58 is: 111,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,770.70 : 377,568.02 = 74,230.58 : x
  2. Step 2: Convert to fraction form
    251,770.70/377,568.02 = 74,230.58/x
  3. Step 3: Cross multiply
    251,770.70x = 377,568.02 × 74,230.58
  4. Step 4: Simplify right side
    251,770.70x = 28,027,093,114.05
  5. Step 5: Solve for x
    x = 28,027,093,114.05/251,770.70
  6. Step 6: Final answer
    x = 111,319.92

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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.