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Finding the Fourth Proportional to 69,298.73, 103,951.03 and 27,175.08

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Solution

The fourth proportional to 69,298.73, 103,951.03 and 27,175.08 is: 40,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,298.73 : 103,951.03 = 27,175.08 : x
  2. Step 2: Convert to fraction form
    69,298.73/103,951.03 = 27,175.08/x
  3. Step 3: Cross multiply
    69,298.73x = 103,951.03 × 27,175.08
  4. Step 4: Simplify right side
    69,298.73x = 2,824,877,556.33
  5. Step 5: Solve for x
    x = 2,824,877,556.33/69,298.73
  6. Step 6: Final answer
    x = 40,763.77

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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.