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Finding the Fourth Proportional to 63,173.48, 87,177.72 and 34,878.56

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Solution

The fourth proportional to 63,173.48, 87,177.72 and 34,878.56 is: 48,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,173.48 : 87,177.72 = 34,878.56 : x
  2. Step 2: Convert to fraction form
    63,173.48/87,177.72 = 34,878.56/x
  3. Step 3: Cross multiply
    63,173.48x = 87,177.72 × 34,878.56
  4. Step 4: Simplify right side
    63,173.48x = 3,040,633,337.68
  5. Step 5: Solve for x
    x = 3,040,633,337.68/63,173.48
  6. Step 6: Final answer
    x = 48,131.48

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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.