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Finding the Fourth Proportional to 80,097.36, 110,537.88 and 49,900.56

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Solution

The fourth proportional to 80,097.36, 110,537.88 and 49,900.56 is: 68,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,097.36 : 110,537.88 = 49,900.56 : x
  2. Step 2: Convert to fraction form
    80,097.36/110,537.88 = 49,900.56/x
  3. Step 3: Cross multiply
    80,097.36x = 110,537.88 × 49,900.56
  4. Step 4: Simplify right side
    80,097.36x = 5,515,902,113.21
  5. Step 5: Solve for x
    x = 5,515,902,113.21/80,097.36
  6. Step 6: Final answer
    x = 68,864.97

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1.5x scale

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.