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Finding the Fourth Proportional to 218,699.16, 327,304.68 and 134,414.88

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Solution

The fourth proportional to 218,699.16, 327,304.68 and 134,414.88 is: 201,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,699.16 : 327,304.68 = 134,414.88 : x
  2. Step 2: Convert to fraction form
    218,699.16/327,304.68 = 134,414.88/x
  3. Step 3: Cross multiply
    218,699.16x = 327,304.68 × 134,414.88
  4. Step 4: Simplify right side
    218,699.16x = 43,994,619,285.64
  5. Step 5: Solve for x
    x = 43,994,619,285.64/218,699.16
  6. Step 6: Final answer
    x = 201,165.01

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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.