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Finding the Fourth Proportional to 222,219.75, 333,364.25 and 72,425.28

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Solution

The fourth proportional to 222,219.75, 333,364.25 and 72,425.28 is: 108,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,219.75 : 333,364.25 = 72,425.28 : x
  2. Step 2: Convert to fraction form
    222,219.75/333,364.25 = 72,425.28/x
  3. Step 3: Cross multiply
    222,219.75x = 333,364.25 × 72,425.28
  4. Step 4: Simplify right side
    222,219.75x = 24,143,999,981.65
  5. Step 5: Solve for x
    x = 24,143,999,981.65/222,219.75
  6. Step 6: Final answer
    x = 108,649.21

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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.