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Finding the Fourth Proportional to 220,553.56, 330,297.45 and 125,495.74

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Solution

The fourth proportional to 220,553.56, 330,297.45 and 125,495.74 is: 187,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,553.56 : 330,297.45 = 125,495.74 : x
  2. Step 2: Convert to fraction form
    220,553.56/330,297.45 = 125,495.74/x
  3. Step 3: Cross multiply
    220,553.56x = 330,297.45 × 125,495.74
  4. Step 4: Simplify right side
    220,553.56x = 41,450,922,850.13
  5. Step 5: Solve for x
    x = 41,450,922,850.13/220,553.56
  6. Step 6: Final answer
    x = 187,940.39

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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.