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Finding the Fourth Proportional to 110,169.52, 152,022 and 62,422

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Solution

The fourth proportional to 110,169.52, 152,022 and 62,422 is: 86,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,169.52 : 152,022 = 62,422 : x
  2. Step 2: Convert to fraction form
    110,169.52/152,022 = 62,422/x
  3. Step 3: Cross multiply
    110,169.52x = 152,022 × 62,422
  4. Step 4: Simplify right side
    110,169.52x = 9,489,517,284
  5. Step 5: Solve for x
    x = 9,489,517,284/110,169.52
  6. Step 6: Final answer
    x = 86,135.60

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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.