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Finding the Fourth Proportional to 168,652.80, 232,761.60 and 108,259.20

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Solution

The fourth proportional to 168,652.80, 232,761.60 and 108,259.20 is: 149,411.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,652.80 : 232,761.60 = 108,259.20 : x
  2. Step 2: Convert to fraction form
    168,652.80/232,761.60 = 108,259.20/x
  3. Step 3: Cross multiply
    168,652.80x = 232,761.60 × 108,259.20
  4. Step 4: Simplify right side
    168,652.80x = 25,198,584,606.72
  5. Step 5: Solve for x
    x = 25,198,584,606.72/168,652.80
  6. Step 6: Final answer
    x = 149,411.01

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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.