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Finding the Fourth Proportional to 168,401.60, 232,419.75 and 104,759.90

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Solution

The fourth proportional to 168,401.60, 232,419.75 and 104,759.90 is: 144,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,401.60 : 232,419.75 = 104,759.90 : x
  2. Step 2: Convert to fraction form
    168,401.60/232,419.75 = 104,759.90/x
  3. Step 3: Cross multiply
    168,401.60x = 232,419.75 × 104,759.90
  4. Step 4: Simplify right side
    168,401.60x = 24,348,269,768.03
  5. Step 5: Solve for x
    x = 24,348,269,768.03/168,401.60
  6. Step 6: Final answer
    x = 144,584.55

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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.