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Finding the Fourth Proportional to 69,307.54, 103,961.34 and 27,754.54

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Solution

The fourth proportional to 69,307.54, 103,961.34 and 27,754.54 is: 41,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,307.54 : 103,961.34 = 27,754.54 : x
  2. Step 2: Convert to fraction form
    69,307.54/103,961.34 = 27,754.54/x
  3. Step 3: Cross multiply
    69,307.54x = 103,961.34 × 27,754.54
  4. Step 4: Simplify right side
    69,307.54x = 2,885,399,169.48
  5. Step 5: Solve for x
    x = 2,885,399,169.48/69,307.54
  6. Step 6: Final answer
    x = 41,631.82

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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.