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Finding the Fourth Proportional to 222,080.97, 306,472.68 and 120,106.45

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Solution

The fourth proportional to 222,080.97, 306,472.68 and 120,106.45 is: 165,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,080.97 : 306,472.68 = 120,106.45 : x
  2. Step 2: Convert to fraction form
    222,080.97/306,472.68 = 120,106.45/x
  3. Step 3: Cross multiply
    222,080.97x = 306,472.68 × 120,106.45
  4. Step 4: Simplify right side
    222,080.97x = 36,809,345,616.79
  5. Step 5: Solve for x
    x = 36,809,345,616.79/222,080.97
  6. Step 6: Final answer
    x = 165,747.41

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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.