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Finding the Fourth Proportional to 234,701.87, 352,015.59 and 74,757.05

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Solution

The fourth proportional to 234,701.87, 352,015.59 and 74,757.05 is: 112,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,701.87 : 352,015.59 = 74,757.05 : x
  2. Step 2: Convert to fraction form
    234,701.87/352,015.59 = 74,757.05/x
  3. Step 3: Cross multiply
    234,701.87x = 352,015.59 × 74,757.05
  4. Step 4: Simplify right side
    234,701.87x = 26,315,647,062.41
  5. Step 5: Solve for x
    x = 26,315,647,062.41/234,701.87
  6. Step 6: Final answer
    x = 112,123.72

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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.