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Finding the Fourth Proportional to 235,937.20, 331,245.20 and 235,937.20

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Solution

The fourth proportional to 235,937.20, 331,245.20 and 235,937.20 is: 331,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,937.20 : 331,245.20 = 235,937.20 : x
  2. Step 2: Convert to fraction form
    235,937.20/331,245.20 = 235,937.20/x
  3. Step 3: Cross multiply
    235,937.20x = 331,245.20 × 235,937.20
  4. Step 4: Simplify right side
    235,937.20x = 78,153,065,001.44
  5. Step 5: Solve for x
    x = 78,153,065,001.44/235,937.20
  6. Step 6: Final answer
    x = 331,245.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.