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Finding the Fourth Proportional to 222,014.70, 333,025.20 and 72,255.78

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Solution

The fourth proportional to 222,014.70, 333,025.20 and 72,255.78 is: 108,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,014.70 : 333,025.20 = 72,255.78 : x
  2. Step 2: Convert to fraction form
    222,014.70/333,025.20 = 72,255.78/x
  3. Step 3: Cross multiply
    222,014.70x = 333,025.20 × 72,255.78
  4. Step 4: Simplify right side
    222,014.70x = 24,062,995,585.66
  5. Step 5: Solve for x
    x = 24,062,995,585.66/222,014.70
  6. Step 6: Final answer
    x = 108,384.70

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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.