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Finding the Fourth Proportional to 63,143.82, 87,118.13 and 41,927.29

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Solution

The fourth proportional to 63,143.82, 87,118.13 and 41,927.29 is: 57,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,143.82 : 87,118.13 = 41,927.29 : x
  2. Step 2: Convert to fraction form
    63,143.82/87,118.13 = 41,927.29/x
  3. Step 3: Cross multiply
    63,143.82x = 87,118.13 × 41,927.29
  4. Step 4: Simplify right side
    63,143.82x = 3,652,626,987.79
  5. Step 5: Solve for x
    x = 3,652,626,987.79/63,143.82
  6. Step 6: Final answer
    x = 57,846.15

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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.