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Finding the Fourth Proportional to 222,813.74, 334,231.56 and 72,993.32

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Solution

The fourth proportional to 222,813.74, 334,231.56 and 72,993.32 is: 109,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,813.74 : 334,231.56 = 72,993.32 : x
  2. Step 2: Convert to fraction form
    222,813.74/334,231.56 = 72,993.32/x
  3. Step 3: Cross multiply
    222,813.74x = 334,231.56 × 72,993.32
  4. Step 4: Simplify right side
    222,813.74x = 24,396,671,213.18
  5. Step 5: Solve for x
    x = 24,396,671,213.18/222,813.74
  6. Step 6: Final answer
    x = 109,493.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.