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Finding the Fourth Proportional to 222,227.69, 306,675.02 and 120,253.15

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Solution

The fourth proportional to 222,227.69, 306,675.02 and 120,253.15 is: 165,949.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,227.69 : 306,675.02 = 120,253.15 : x
  2. Step 2: Convert to fraction form
    222,227.69/306,675.02 = 120,253.15/x
  3. Step 3: Cross multiply
    222,227.69x = 306,675.02 × 120,253.15
  4. Step 4: Simplify right side
    222,227.69x = 36,878,636,715.26
  5. Step 5: Solve for x
    x = 36,878,636,715.26/222,227.69
  6. Step 6: Final answer
    x = 165,949.78

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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.