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Finding the Fourth Proportional to 222,916.64, 334,400.34 and 80,828.84

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Solution

The fourth proportional to 222,916.64, 334,400.34 and 80,828.84 is: 121,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,916.64 : 334,400.34 = 80,828.84 : x
  2. Step 2: Convert to fraction form
    222,916.64/334,400.34 = 80,828.84/x
  3. Step 3: Cross multiply
    222,916.64x = 334,400.34 × 80,828.84
  4. Step 4: Simplify right side
    222,916.64x = 27,029,191,375.73
  5. Step 5: Solve for x
    x = 27,029,191,375.73/222,916.64
  6. Step 6: Final answer
    x = 121,252.46

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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.