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Finding the Fourth Proportional to 231,790.28, 347,681.97 and 63,310.32

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Solution

The fourth proportional to 231,790.28, 347,681.97 and 63,310.32 is: 94,964.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,790.28 : 347,681.97 = 63,310.32 : x
  2. Step 2: Convert to fraction form
    231,790.28/347,681.97 = 63,310.32/x
  3. Step 3: Cross multiply
    231,790.28x = 347,681.97 × 63,310.32
  4. Step 4: Simplify right side
    231,790.28x = 22,011,856,778.93
  5. Step 5: Solve for x
    x = 22,011,856,778.93/231,790.28
  6. Step 6: Final answer
    x = 94,964.54

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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.