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Finding the Fourth Proportional to 86,883.52, 119,997.48 and 58,540

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Solution

The fourth proportional to 86,883.52, 119,997.48 and 58,540 is: 80,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,883.52 : 119,997.48 = 58,540 : x
  2. Step 2: Convert to fraction form
    86,883.52/119,997.48 = 58,540/x
  3. Step 3: Cross multiply
    86,883.52x = 119,997.48 × 58,540
  4. Step 4: Simplify right side
    86,883.52x = 7,024,652,479.20
  5. Step 5: Solve for x
    x = 7,024,652,479.20/86,883.52
  6. Step 6: Final answer
    x = 80,851.38

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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.