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Finding the Fourth Proportional to 68,840.88, 95,020.32 and 44,971.20

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Solution

The fourth proportional to 68,840.88, 95,020.32 and 44,971.20 is: 62,073.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,840.88 : 95,020.32 = 44,971.20 : x
  2. Step 2: Convert to fraction form
    68,840.88/95,020.32 = 44,971.20/x
  3. Step 3: Cross multiply
    68,840.88x = 95,020.32 × 44,971.20
  4. Step 4: Simplify right side
    68,840.88x = 4,273,177,814.78
  5. Step 5: Solve for x
    x = 4,273,177,814.78/68,840.88
  6. Step 6: Final answer
    x = 62,073.26

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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.