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Finding the Fourth Proportional to 103,331.97, 154,853.60 and 55,844.69

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Solution

The fourth proportional to 103,331.97, 154,853.60 and 55,844.69 is: 83,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,331.97 : 154,853.60 = 55,844.69 : x
  2. Step 2: Convert to fraction form
    103,331.97/154,853.60 = 55,844.69/x
  3. Step 3: Cross multiply
    103,331.97x = 154,853.60 × 55,844.69
  4. Step 4: Simplify right side
    103,331.97x = 8,647,751,287.38
  5. Step 5: Solve for x
    x = 8,647,751,287.38/103,331.97
  6. Step 6: Final answer
    x = 83,689.02

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1.5x scale

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.