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Finding the Fourth Proportional to 63,168.48, 87,170.16 and 34,873.56

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Solution

The fourth proportional to 63,168.48, 87,170.16 and 34,873.56 is: 48,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,168.48 : 87,170.16 = 34,873.56 : x
  2. Step 2: Convert to fraction form
    63,168.48/87,170.16 = 34,873.56/x
  3. Step 3: Cross multiply
    63,168.48x = 87,170.16 × 34,873.56
  4. Step 4: Simplify right side
    63,168.48x = 3,039,933,804.97
  5. Step 5: Solve for x
    x = 3,039,933,804.97/63,168.48
  6. Step 6: Final answer
    x = 48,124.22

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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.