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Finding the Fourth Proportional to 222,057.78, 306,539.82 and 141,593.46

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Solution

The fourth proportional to 222,057.78, 306,539.82 and 141,593.46 is: 195,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,057.78 : 306,539.82 = 141,593.46 : x
  2. Step 2: Convert to fraction form
    222,057.78/306,539.82 = 141,593.46/x
  3. Step 3: Cross multiply
    222,057.78x = 306,539.82 × 141,593.46
  4. Step 4: Simplify right side
    222,057.78x = 43,404,033,741.58
  5. Step 5: Solve for x
    x = 43,404,033,741.58/222,057.78
  6. Step 6: Final answer
    x = 195,462.79

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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.