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Finding the Fourth Proportional to 199,485.59, 275,284.78 and 108,841.52

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Solution

The fourth proportional to 199,485.59, 275,284.78 and 108,841.52 is: 150,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,485.59 : 275,284.78 = 108,841.52 : x
  2. Step 2: Convert to fraction form
    199,485.59/275,284.78 = 108,841.52/x
  3. Step 3: Cross multiply
    199,485.59x = 275,284.78 × 108,841.52
  4. Step 4: Simplify right side
    199,485.59x = 29,962,414,304.17
  5. Step 5: Solve for x
    x = 29,962,414,304.17/199,485.59
  6. Step 6: Final answer
    x = 150,198.39

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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.