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Finding the Fourth Proportional to 222,370.73, 306,874.02 and 120,398.32

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Solution

The fourth proportional to 222,370.73, 306,874.02 and 120,398.32 is: 166,150.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,370.73 : 306,874.02 = 120,398.32 : x
  2. Step 2: Convert to fraction form
    222,370.73/306,874.02 = 120,398.32/x
  3. Step 3: Cross multiply
    222,370.73x = 306,874.02 × 120,398.32
  4. Step 4: Simplify right side
    222,370.73x = 36,947,116,459.65
  5. Step 5: Solve for x
    x = 36,947,116,459.65/222,370.73
  6. Step 6: Final answer
    x = 166,150.99

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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.