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Finding the Fourth Proportional to 67,147.77, 100,736.31 and 22,171.11

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Solution

The fourth proportional to 67,147.77, 100,736.31 and 22,171.11 is: 33,261.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,147.77 : 100,736.31 = 22,171.11 : x
  2. Step 2: Convert to fraction form
    67,147.77/100,736.31 = 22,171.11/x
  3. Step 3: Cross multiply
    67,147.77x = 100,736.31 × 22,171.11
  4. Step 4: Simplify right side
    67,147.77x = 2,233,435,810.00
  5. Step 5: Solve for x
    x = 2,233,435,810.00/67,147.77
  6. Step 6: Final answer
    x = 33,261.50

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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.