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Finding the Fourth Proportional to 222,466.15, 333,631.05 and 80,294.06

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Solution

The fourth proportional to 222,466.15, 333,631.05 and 80,294.06 is: 120,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,466.15 : 333,631.05 = 80,294.06 : x
  2. Step 2: Convert to fraction form
    222,466.15/333,631.05 = 80,294.06/x
  3. Step 3: Cross multiply
    222,466.15x = 333,631.05 × 80,294.06
  4. Step 4: Simplify right side
    222,466.15x = 26,788,592,380.64
  5. Step 5: Solve for x
    x = 26,788,592,380.64/222,466.15
  6. Step 6: Final answer
    x = 120,416.49

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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.