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Finding the Fourth Proportional to 220,099.68, 330,027.84 and 68,254.65

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Solution

The fourth proportional to 220,099.68, 330,027.84 and 68,254.65 is: 102,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,099.68 : 330,027.84 = 68,254.65 : x
  2. Step 2: Convert to fraction form
    220,099.68/330,027.84 = 68,254.65/x
  3. Step 3: Cross multiply
    220,099.68x = 330,027.84 × 68,254.65
  4. Step 4: Simplify right side
    220,099.68x = 22,525,934,709.46
  5. Step 5: Solve for x
    x = 22,525,934,709.46/220,099.68
  6. Step 6: Final answer
    x = 102,344.24

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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.