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Finding the Fourth Proportional to 67,179.36, 100,807.98 and 33,902.03

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Solution

The fourth proportional to 67,179.36, 100,807.98 and 33,902.03 is: 50,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,179.36 : 100,807.98 = 33,902.03 : x
  2. Step 2: Convert to fraction form
    67,179.36/100,807.98 = 33,902.03/x
  3. Step 3: Cross multiply
    67,179.36x = 100,807.98 × 33,902.03
  4. Step 4: Simplify right side
    67,179.36x = 3,417,594,658.16
  5. Step 5: Solve for x
    x = 3,417,594,658.16/67,179.36
  6. Step 6: Final answer
    x = 50,872.69

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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.