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Finding the Fourth Proportional to 67,200.48, 100,862.99 and 33,943.85

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Solution

The fourth proportional to 67,200.48, 100,862.99 and 33,943.85 is: 50,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,200.48 : 100,862.99 = 33,943.85 : x
  2. Step 2: Convert to fraction form
    67,200.48/100,862.99 = 33,943.85/x
  3. Step 3: Cross multiply
    67,200.48x = 100,862.99 × 33,943.85
  4. Step 4: Simplify right side
    67,200.48x = 3,423,678,033.39
  5. Step 5: Solve for x
    x = 3,423,678,033.39/67,200.48
  6. Step 6: Final answer
    x = 50,947.23

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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.