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Finding the Fourth Proportional to 220,170.94, 330,255.80 and 62,400.76

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Solution

The fourth proportional to 220,170.94, 330,255.80 and 62,400.76 is: 93,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,170.94 : 330,255.80 = 62,400.76 : x
  2. Step 2: Convert to fraction form
    220,170.94/330,255.80 = 62,400.76/x
  3. Step 3: Cross multiply
    220,170.94x = 330,255.80 × 62,400.76
  4. Step 4: Simplify right side
    220,170.94x = 20,608,212,914.41
  5. Step 5: Solve for x
    x = 20,608,212,914.41/220,170.94
  6. Step 6: Final answer
    x = 93,600.97

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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.