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Finding the Fourth Proportional to 86,871.43, 130,391.41 and 41,924.43

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Solution

The fourth proportional to 86,871.43, 130,391.41 and 41,924.43 is: 62,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,871.43 : 130,391.41 = 41,924.43 : x
  2. Step 2: Convert to fraction form
    86,871.43/130,391.41 = 41,924.43/x
  3. Step 3: Cross multiply
    86,871.43x = 130,391.41 × 41,924.43
  4. Step 4: Simplify right side
    86,871.43x = 5,466,585,104.58
  5. Step 5: Solve for x
    x = 5,466,585,104.58/86,871.43
  6. Step 6: Final answer
    x = 62,927.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.