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Finding the Fourth Proportional to 222,112.56, 333,203.40 and 72,317.64

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Solution

The fourth proportional to 222,112.56, 333,203.40 and 72,317.64 is: 108,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,112.56 : 333,203.40 = 72,317.64 : x
  2. Step 2: Convert to fraction form
    222,112.56/333,203.40 = 72,317.64/x
  3. Step 3: Cross multiply
    222,112.56x = 333,203.40 × 72,317.64
  4. Step 4: Simplify right side
    222,112.56x = 24,096,483,527.98
  5. Step 5: Solve for x
    x = 24,096,483,527.98/222,112.56
  6. Step 6: Final answer
    x = 108,487.71

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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.