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Finding the Fourth Proportional to 67,190.70, 100,764.56 and 22,203.66

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Solution

The fourth proportional to 67,190.70, 100,764.56 and 22,203.66 is: 33,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,190.70 : 100,764.56 = 22,203.66 : x
  2. Step 2: Convert to fraction form
    67,190.70/100,764.56 = 22,203.66/x
  3. Step 3: Cross multiply
    67,190.70x = 100,764.56 × 22,203.66
  4. Step 4: Simplify right side
    67,190.70x = 2,237,342,030.29
  5. Step 5: Solve for x
    x = 2,237,342,030.29/67,190.70
  6. Step 6: Final answer
    x = 33,298.39

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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.