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Finding the Fourth Proportional to 63,168.93, 87,173.78 and 34,874.55

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Solution

The fourth proportional to 63,168.93, 87,173.78 and 34,874.55 is: 48,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,168.93 : 87,173.78 = 34,874.55 : x
  2. Step 2: Convert to fraction form
    63,168.93/87,173.78 = 34,874.55/x
  3. Step 3: Cross multiply
    63,168.93x = 87,173.78 × 34,874.55
  4. Step 4: Simplify right side
    63,168.93x = 3,040,146,174.93
  5. Step 5: Solve for x
    x = 3,040,146,174.93/63,168.93
  6. Step 6: Final answer
    x = 48,127.24

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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.