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Finding the Fourth Proportional to 222,221.70, 333,332.55 and 133,575.30

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Solution

The fourth proportional to 222,221.70, 333,332.55 and 133,575.30 is: 200,362.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,221.70 : 333,332.55 = 133,575.30 : x
  2. Step 2: Convert to fraction form
    222,221.70/333,332.55 = 133,575.30/x
  3. Step 3: Cross multiply
    222,221.70x = 333,332.55 × 133,575.30
  4. Step 4: Simplify right side
    222,221.70x = 44,524,995,366.02
  5. Step 5: Solve for x
    x = 44,524,995,366.02/222,221.70
  6. Step 6: Final answer
    x = 200,362.95

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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.