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Finding the Fourth Proportional to 80,856.56, 111,579.24 and 45,044.72

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Solution

The fourth proportional to 80,856.56, 111,579.24 and 45,044.72 is: 62,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,856.56 : 111,579.24 = 45,044.72 : x
  2. Step 2: Convert to fraction form
    80,856.56/111,579.24 = 45,044.72/x
  3. Step 3: Cross multiply
    80,856.56x = 111,579.24 × 45,044.72
  4. Step 4: Simplify right side
    80,856.56x = 5,026,055,623.61
  5. Step 5: Solve for x
    x = 5,026,055,623.61/80,856.56
  6. Step 6: Final answer
    x = 62,160.15

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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.