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Finding the Fourth Proportional to 63,169.17, 87,172.16 and 36,310.98

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Solution

The fourth proportional to 63,169.17, 87,172.16 and 36,310.98 is: 50,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,169.17 : 87,172.16 = 36,310.98 : x
  2. Step 2: Convert to fraction form
    63,169.17/87,172.16 = 36,310.98/x
  3. Step 3: Cross multiply
    63,169.17x = 87,172.16 × 36,310.98
  4. Step 4: Simplify right side
    63,169.17x = 3,165,306,703.66
  5. Step 5: Solve for x
    x = 3,165,306,703.66/63,169.17
  6. Step 6: Final answer
    x = 50,108.41

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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.