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Finding the Fourth Proportional to 222,389.98, 333,587.79 and 72,629.08

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Solution

The fourth proportional to 222,389.98, 333,587.79 and 72,629.08 is: 108,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,389.98 : 333,587.79 = 72,629.08 : x
  2. Step 2: Convert to fraction form
    222,389.98/333,587.79 = 72,629.08/x
  3. Step 3: Cross multiply
    222,389.98x = 333,587.79 × 72,629.08
  4. Step 4: Simplify right side
    222,389.98x = 24,228,174,286.93
  5. Step 5: Solve for x
    x = 24,228,174,286.93/222,389.98
  6. Step 6: Final answer
    x = 108,944.54

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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.