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Finding the Fourth Proportional to 222,215.20, 333,371.40 and 72,462.40

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Solution

The fourth proportional to 222,215.20, 333,371.40 and 72,462.40 is: 108,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,215.20 : 333,371.40 = 72,462.40 : x
  2. Step 2: Convert to fraction form
    222,215.20/333,371.40 = 72,462.40/x
  3. Step 3: Cross multiply
    222,215.20x = 333,371.40 × 72,462.40
  4. Step 4: Simplify right side
    222,215.20x = 24,156,891,735.36
  5. Step 5: Solve for x
    x = 24,156,891,735.36/222,215.20
  6. Step 6: Final answer
    x = 108,709.45

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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.