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Finding the Fourth Proportional to 235,230.67, 352,867.86 and 66,755.13

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Solution

The fourth proportional to 235,230.67, 352,867.86 and 66,755.13 is: 100,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,230.67 : 352,867.86 = 66,755.13 : x
  2. Step 2: Convert to fraction form
    235,230.67/352,867.86 = 66,755.13/x
  3. Step 3: Cross multiply
    235,230.67x = 352,867.86 × 66,755.13
  4. Step 4: Simplify right side
    235,230.67x = 23,555,739,867.12
  5. Step 5: Solve for x
    x = 23,555,739,867.12/235,230.67
  6. Step 6: Final answer
    x = 100,138.90

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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.