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Finding the Fourth Proportional to 218,023.60, 327,046.20 and 113,047.60

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Solution

The fourth proportional to 218,023.60, 327,046.20 and 113,047.60 is: 169,577.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,023.60 : 327,046.20 = 113,047.60 : x
  2. Step 2: Convert to fraction form
    218,023.60/327,046.20 = 113,047.60/x
  3. Step 3: Cross multiply
    218,023.60x = 327,046.20 × 113,047.60
  4. Step 4: Simplify right side
    218,023.60x = 36,971,787,999.12
  5. Step 5: Solve for x
    x = 36,971,787,999.12/218,023.60
  6. Step 6: Final answer
    x = 169,577.00

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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.