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Finding the Fourth Proportional to 235,175.85, 352,763.78 and 231,287.85

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Solution

The fourth proportional to 235,175.85, 352,763.78 and 231,287.85 is: 346,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,175.85 : 352,763.78 = 231,287.85 : x
  2. Step 2: Convert to fraction form
    235,175.85/352,763.78 = 231,287.85/x
  3. Step 3: Cross multiply
    235,175.85x = 352,763.78 × 231,287.85
  4. Step 4: Simplify right side
    235,175.85x = 81,589,975,077.63
  5. Step 5: Solve for x
    x = 81,589,975,077.63/235,175.85
  6. Step 6: Final answer
    x = 346,931.78

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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.