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Finding the Fourth Proportional to 235,304.65, 352,965.26 and 75,385.45

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Solution

The fourth proportional to 235,304.65, 352,965.26 and 75,385.45 is: 113,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,304.65 : 352,965.26 = 75,385.45 : x
  2. Step 2: Convert to fraction form
    235,304.65/352,965.26 = 75,385.45/x
  3. Step 3: Cross multiply
    235,304.65x = 352,965.26 × 75,385.45
  4. Step 4: Simplify right side
    235,304.65x = 26,608,444,959.47
  5. Step 5: Solve for x
    x = 26,608,444,959.47/235,304.65
  6. Step 6: Final answer
    x = 113,080.83

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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.