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Finding the Fourth Proportional to 67,560.58, 101,355.36 and 20,179.40

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Solution

The fourth proportional to 67,560.58, 101,355.36 and 20,179.40 is: 30,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,560.58 : 101,355.36 = 20,179.40 : x
  2. Step 2: Convert to fraction form
    67,560.58/101,355.36 = 20,179.40/x
  3. Step 3: Cross multiply
    67,560.58x = 101,355.36 × 20,179.40
  4. Step 4: Simplify right side
    67,560.58x = 2,045,290,351.58
  5. Step 5: Solve for x
    x = 2,045,290,351.58/67,560.58
  6. Step 6: Final answer
    x = 30,273.43

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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.