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Finding the Fourth Proportional to 231,694.40, 347,152.80 and 113,110.40

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Solution

The fourth proportional to 231,694.40, 347,152.80 and 113,110.40 is: 169,475.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,694.40 : 347,152.80 = 113,110.40 : x
  2. Step 2: Convert to fraction form
    231,694.40/347,152.80 = 113,110.40/x
  3. Step 3: Cross multiply
    231,694.40x = 347,152.80 × 113,110.40
  4. Step 4: Simplify right side
    231,694.40x = 39,266,592,069.12
  5. Step 5: Solve for x
    x = 39,266,592,069.12/231,694.40
  6. Step 6: Final answer
    x = 169,475.79

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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.