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Finding the Fourth Proportional to 168,620.46, 232,804.72 and 108,217.14

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Solution

The fourth proportional to 168,620.46, 232,804.72 and 108,217.14 is: 149,409.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,620.46 : 232,804.72 = 108,217.14 : x
  2. Step 2: Convert to fraction form
    168,620.46/232,804.72 = 108,217.14/x
  3. Step 3: Cross multiply
    168,620.46x = 232,804.72 × 108,217.14
  4. Step 4: Simplify right side
    168,620.46x = 25,193,460,976.90
  5. Step 5: Solve for x
    x = 25,193,460,976.90/168,620.46
  6. Step 6: Final answer
    x = 149,409.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.