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Finding the Fourth Proportional to 222,586.14, 333,879.75 and 64,818.42

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Solution

The fourth proportional to 222,586.14, 333,879.75 and 64,818.42 is: 97,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,586.14 : 333,879.75 = 64,818.42 : x
  2. Step 2: Convert to fraction form
    222,586.14/333,879.75 = 64,818.42/x
  3. Step 3: Cross multiply
    222,586.14x = 333,879.75 × 64,818.42
  4. Step 4: Simplify right side
    222,586.14x = 21,641,557,865.00
  5. Step 5: Solve for x
    x = 21,641,557,865.00/222,586.14
  6. Step 6: Final answer
    x = 97,227.79

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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.