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Finding the Fourth Proportional to 80,279.01, 110,776.05 and 44,460

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Solution

The fourth proportional to 80,279.01, 110,776.05 and 44,460 is: 61,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,279.01 : 110,776.05 = 44,460 : x
  2. Step 2: Convert to fraction form
    80,279.01/110,776.05 = 44,460/x
  3. Step 3: Cross multiply
    80,279.01x = 110,776.05 × 44,460
  4. Step 4: Simplify right side
    80,279.01x = 4,925,103,183
  5. Step 5: Solve for x
    x = 4,925,103,183/80,279.01
  6. Step 6: Final answer
    x = 61,349.82

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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.