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Finding the Fourth Proportional to 235,304.90, 352,965.63 and 75,385.70

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Solution

The fourth proportional to 235,304.90, 352,965.63 and 75,385.70 is: 113,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,304.90 : 352,965.63 = 75,385.70 : x
  2. Step 2: Convert to fraction form
    235,304.90/352,965.63 = 75,385.70/x
  3. Step 3: Cross multiply
    235,304.90x = 352,965.63 × 75,385.70
  4. Step 4: Simplify right side
    235,304.90x = 26,608,561,093.49
  5. Step 5: Solve for x
    x = 26,608,561,093.49/235,304.90
  6. Step 6: Final answer
    x = 113,081.20

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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.