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Finding the Fourth Proportional to 222,564.42, 333,867.33 and 72,805.68

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Solution

The fourth proportional to 222,564.42, 333,867.33 and 72,805.68 is: 109,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,564.42 : 333,867.33 = 72,805.68 : x
  2. Step 2: Convert to fraction form
    222,564.42/333,867.33 = 72,805.68/x
  3. Step 3: Cross multiply
    222,564.42x = 333,867.33 × 72,805.68
  4. Step 4: Simplify right side
    222,564.42x = 24,307,437,990.43
  5. Step 5: Solve for x
    x = 24,307,437,990.43/222,564.42
  6. Step 6: Final answer
    x = 109,215.29

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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.