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Finding the Fourth Proportional to 80,852.38, 111,579.14 and 45,044.58

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Solution

The fourth proportional to 80,852.38, 111,579.14 and 45,044.58 is: 62,163.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,852.38 : 111,579.14 = 45,044.58 : x
  2. Step 2: Convert to fraction form
    80,852.38/111,579.14 = 45,044.58/x
  3. Step 3: Cross multiply
    80,852.38x = 111,579.14 × 45,044.58
  4. Step 4: Simplify right side
    80,852.38x = 5,026,035,498.06
  5. Step 5: Solve for x
    x = 5,026,035,498.06/80,852.38
  6. Step 6: Final answer
    x = 62,163.11

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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.