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Finding the Fourth Proportional to 67,727.80, 101,706.90 and 50,217.40

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Solution

The fourth proportional to 67,727.80, 101,706.90 and 50,217.40 is: 75,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,727.80 : 101,706.90 = 50,217.40 : x
  2. Step 2: Convert to fraction form
    67,727.80/101,706.90 = 50,217.40/x
  3. Step 3: Cross multiply
    67,727.80x = 101,706.90 × 50,217.40
  4. Step 4: Simplify right side
    67,727.80x = 5,107,456,080.06
  5. Step 5: Solve for x
    x = 5,107,456,080.06/67,727.80
  6. Step 6: Final answer
    x = 75,411.52

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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.