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Finding the Fourth Proportional to 63,276.67, 87,392.42 and 49,107.97

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Solution

The fourth proportional to 63,276.67, 87,392.42 and 49,107.97 is: 67,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,276.67 : 87,392.42 = 49,107.97 : x
  2. Step 2: Convert to fraction form
    63,276.67/87,392.42 = 49,107.97/x
  3. Step 3: Cross multiply
    63,276.67x = 87,392.42 × 49,107.97
  4. Step 4: Simplify right side
    63,276.67x = 4,291,664,094.05
  5. Step 5: Solve for x
    x = 4,291,664,094.05/63,276.67
  6. Step 6: Final answer
    x = 67,823.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.