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Finding the Fourth Proportional to 235,192.85, 352,736.12 and 108,763.87

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Solution

The fourth proportional to 235,192.85, 352,736.12 and 108,763.87 is: 163,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,192.85 : 352,736.12 = 108,763.87 : x
  2. Step 2: Convert to fraction form
    235,192.85/352,736.12 = 108,763.87/x
  3. Step 3: Cross multiply
    235,192.85x = 352,736.12 × 108,763.87
  4. Step 4: Simplify right side
    235,192.85x = 38,364,944,890.05
  5. Step 5: Solve for x
    x = 38,364,944,890.05/235,192.85
  6. Step 6: Final answer
    x = 163,121.22

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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.