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Finding the Fourth Proportional to 67,224.95, 100,560.39 and 55,243.83

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Solution

The fourth proportional to 67,224.95, 100,560.39 and 55,243.83 is: 82,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,224.95 : 100,560.39 = 55,243.83 : x
  2. Step 2: Convert to fraction form
    67,224.95/100,560.39 = 55,243.83/x
  3. Step 3: Cross multiply
    67,224.95x = 100,560.39 × 55,243.83
  4. Step 4: Simplify right side
    67,224.95x = 5,555,341,089.89
  5. Step 5: Solve for x
    x = 5,555,341,089.89/67,224.95
  6. Step 6: Final answer
    x = 82,638.09

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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.