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Finding the Fourth Proportional to 123,616, 170,590.08 and 67,027.36

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Solution

The fourth proportional to 123,616, 170,590.08 and 67,027.36 is: 92,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,616 : 170,590.08 = 67,027.36 : x
  2. Step 2: Convert to fraction form
    123,616/170,590.08 = 67,027.36/x
  3. Step 3: Cross multiply
    123,616x = 170,590.08 × 67,027.36
  4. Step 4: Simplify right side
    123,616x = 11,434,202,704.59
  5. Step 5: Solve for x
    x = 11,434,202,704.59/123,616
  6. Step 6: Final answer
    x = 92,497.76

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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.