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Finding the Fourth Proportional to 220,554.44, 330,298.76 and 125,496.62

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Solution

The fourth proportional to 220,554.44, 330,298.76 and 125,496.62 is: 187,941.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,554.44 : 330,298.76 = 125,496.62 : x
  2. Step 2: Convert to fraction form
    220,554.44/330,298.76 = 125,496.62/x
  3. Step 3: Cross multiply
    220,554.44x = 330,298.76 × 125,496.62
  4. Step 4: Simplify right side
    220,554.44x = 41,451,377,970.19
  5. Step 5: Solve for x
    x = 41,451,377,970.19/220,554.44
  6. Step 6: Final answer
    x = 187,941.71

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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.