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Finding the Fourth Proportional to 222,632.81, 307,232.49 and 120,660.75

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Solution

The fourth proportional to 222,632.81, 307,232.49 and 120,660.75 is: 166,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,632.81 : 307,232.49 = 120,660.75 : x
  2. Step 2: Convert to fraction form
    222,632.81/307,232.49 = 120,660.75/x
  3. Step 3: Cross multiply
    222,632.81x = 307,232.49 × 120,660.75
  4. Step 4: Simplify right side
    222,632.81x = 37,070,902,667.77
  5. Step 5: Solve for x
    x = 37,070,902,667.77/222,632.81
  6. Step 6: Final answer
    x = 166,511.41

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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.