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Finding the Fourth Proportional to 222,787.80, 334,181.70 and 196,543.80

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Solution

The fourth proportional to 222,787.80, 334,181.70 and 196,543.80 is: 294,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,787.80 : 334,181.70 = 196,543.80 : x
  2. Step 2: Convert to fraction form
    222,787.80/334,181.70 = 196,543.80/x
  3. Step 3: Cross multiply
    222,787.80x = 334,181.70 × 196,543.80
  4. Step 4: Simplify right side
    222,787.80x = 65,681,341,208.46
  5. Step 5: Solve for x
    x = 65,681,341,208.46/222,787.80
  6. Step 6: Final answer
    x = 294,815.70

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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.