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Finding the Fourth Proportional to 220,223.22, 303,908.34 and 119,621.22

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Solution

The fourth proportional to 220,223.22, 303,908.34 and 119,621.22 is: 165,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,223.22 : 303,908.34 = 119,621.22 : x
  2. Step 2: Convert to fraction form
    220,223.22/303,908.34 = 119,621.22/x
  3. Step 3: Cross multiply
    220,223.22x = 303,908.34 × 119,621.22
  4. Step 4: Simplify right side
    220,223.22x = 36,353,886,398.97
  5. Step 5: Solve for x
    x = 36,353,886,398.97/220,223.22
  6. Step 6: Final answer
    x = 165,077.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.