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Finding the Fourth Proportional to 235,449.88, 352,786.61 and 135,693.92

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Solution

The fourth proportional to 235,449.88, 352,786.61 and 135,693.92 is: 203,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,449.88 : 352,786.61 = 135,693.92 : x
  2. Step 2: Convert to fraction form
    235,449.88/352,786.61 = 135,693.92/x
  3. Step 3: Cross multiply
    235,449.88x = 352,786.61 × 135,693.92
  4. Step 4: Simplify right side
    235,449.88x = 47,870,999,255.61
  5. Step 5: Solve for x
    x = 47,870,999,255.61/235,449.88
  6. Step 6: Final answer
    x = 203,317.16

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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.