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Finding the Fourth Proportional to 222,220.32, 333,163.44 and 72,371.40

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Solution

The fourth proportional to 222,220.32, 333,163.44 and 72,371.40 is: 108,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,220.32 : 333,163.44 = 72,371.40 : x
  2. Step 2: Convert to fraction form
    222,220.32/333,163.44 = 72,371.40/x
  3. Step 3: Cross multiply
    222,220.32x = 333,163.44 × 72,371.40
  4. Step 4: Simplify right side
    222,220.32x = 24,111,504,581.62
  5. Step 5: Solve for x
    x = 24,111,504,581.62/222,220.32
  6. Step 6: Final answer
    x = 108,502.70

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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.