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Finding the Fourth Proportional to 222,901.35, 307,597.86 and 135,653.73

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Solution

The fourth proportional to 222,901.35, 307,597.86 and 135,653.73 is: 187,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,901.35 : 307,597.86 = 135,653.73 : x
  2. Step 2: Convert to fraction form
    222,901.35/307,597.86 = 135,653.73/x
  3. Step 3: Cross multiply
    222,901.35x = 307,597.86 × 135,653.73
  4. Step 4: Simplify right side
    222,901.35x = 41,726,797,049.02
  5. Step 5: Solve for x
    x = 41,726,797,049.02/222,901.35
  6. Step 6: Final answer
    x = 187,198.49

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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.