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Finding the Fourth Proportional to 235,443.61, 352,691.97 and 108,906.22

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Solution

The fourth proportional to 235,443.61, 352,691.97 and 108,906.22 is: 163,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,443.61 : 352,691.97 = 108,906.22 : x
  2. Step 2: Convert to fraction form
    235,443.61/352,691.97 = 108,906.22/x
  3. Step 3: Cross multiply
    235,443.61x = 352,691.97 × 108,906.22
  4. Step 4: Simplify right side
    235,443.61x = 38,410,349,277.05
  5. Step 5: Solve for x
    x = 38,410,349,277.05/235,443.61
  6. Step 6: Final answer
    x = 163,140.33

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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.