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Finding the Fourth Proportional to 324,101.10, 486,151.65 and 113,760.30

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Solution

The fourth proportional to 324,101.10, 486,151.65 and 113,760.30 is: 170,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,101.10 : 486,151.65 = 113,760.30 : x
  2. Step 2: Convert to fraction form
    324,101.10/486,151.65 = 113,760.30/x
  3. Step 3: Cross multiply
    324,101.10x = 486,151.65 × 113,760.30
  4. Step 4: Simplify right side
    324,101.10x = 55,304,757,549.50
  5. Step 5: Solve for x
    x = 55,304,757,549.50/324,101.10
  6. Step 6: Final answer
    x = 170,640.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.