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Finding the Fourth Proportional to 231,842.64, 347,528.68 and 131,796.10

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Solution

The fourth proportional to 231,842.64, 347,528.68 and 131,796.10 is: 197,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,842.64 : 347,528.68 = 131,796.10 : x
  2. Step 2: Convert to fraction form
    231,842.64/347,528.68 = 131,796.10/x
  3. Step 3: Cross multiply
    231,842.64x = 347,528.68 × 131,796.10
  4. Step 4: Simplify right side
    231,842.64x = 45,802,923,463.84
  5. Step 5: Solve for x
    x = 45,802,923,463.84/231,842.64
  6. Step 6: Final answer
    x = 197,560.39

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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.