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Finding the Fourth Proportional to 220,524.53, 330,369.44 and 130,297.41

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Solution

The fourth proportional to 220,524.53, 330,369.44 and 130,297.41 is: 195,199.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,524.53 : 330,369.44 = 130,297.41 : x
  2. Step 2: Convert to fraction form
    220,524.53/330,369.44 = 130,297.41/x
  3. Step 3: Cross multiply
    220,524.53x = 330,369.44 × 130,297.41
  4. Step 4: Simplify right side
    220,524.53x = 43,046,281,723.66
  5. Step 5: Solve for x
    x = 43,046,281,723.66/220,524.53
  6. Step 6: Final answer
    x = 195,199.52

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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.