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Finding the Fourth Proportional to 67,200.66, 100,779.57 and 22,213.65

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Solution

The fourth proportional to 67,200.66, 100,779.57 and 22,213.65 is: 33,313.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,200.66 : 100,779.57 = 22,213.65 : x
  2. Step 2: Convert to fraction form
    67,200.66/100,779.57 = 22,213.65/x
  3. Step 3: Cross multiply
    67,200.66x = 100,779.57 × 22,213.65
  4. Step 4: Simplify right side
    67,200.66x = 2,238,682,095.13
  5. Step 5: Solve for x
    x = 2,238,682,095.13/67,200.66
  6. Step 6: Final answer
    x = 33,313.39

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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.