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Finding the Fourth Proportional to 143,073.36, 214,647.45 and 83,044.11

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Solution

The fourth proportional to 143,073.36, 214,647.45 and 83,044.11 is: 124,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,073.36 : 214,647.45 = 83,044.11 : x
  2. Step 2: Convert to fraction form
    143,073.36/214,647.45 = 83,044.11/x
  3. Step 3: Cross multiply
    143,073.36x = 214,647.45 × 83,044.11
  4. Step 4: Simplify right side
    143,073.36x = 17,825,206,449.02
  5. Step 5: Solve for x
    x = 17,825,206,449.02/143,073.36
  6. Step 6: Final answer
    x = 124,587.88

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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.