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Finding the Fourth Proportional to 235,366.12, 353,398.62 and 231,167.08

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Solution

The fourth proportional to 235,366.12, 353,398.62 and 231,167.08 is: 347,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,366.12 : 353,398.62 = 231,167.08 : x
  2. Step 2: Convert to fraction form
    235,366.12/353,398.62 = 231,167.08/x
  3. Step 3: Cross multiply
    235,366.12x = 353,398.62 × 231,167.08
  4. Step 4: Simplify right side
    235,366.12x = 81,694,127,061.43
  5. Step 5: Solve for x
    x = 81,694,127,061.43/235,366.12
  6. Step 6: Final answer
    x = 347,093.83

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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.