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Finding the Fourth Proportional to 222,453.73, 306,991.76 and 136,460.13

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Solution

The fourth proportional to 222,453.73, 306,991.76 and 136,460.13 is: 188,318.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,453.73 : 306,991.76 = 136,460.13 : x
  2. Step 2: Convert to fraction form
    222,453.73/306,991.76 = 136,460.13/x
  3. Step 3: Cross multiply
    222,453.73x = 306,991.76 × 136,460.13
  4. Step 4: Simplify right side
    222,453.73x = 41,892,135,478.53
  5. Step 5: Solve for x
    x = 41,892,135,478.53/222,453.73
  6. Step 6: Final answer
    x = 188,318.42

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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.