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Finding the Fourth Proportional to 223,858.10, 335,787.15 and 199,363.70

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Solution

The fourth proportional to 223,858.10, 335,787.15 and 199,363.70 is: 299,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,858.10 : 335,787.15 = 199,363.70 : x
  2. Step 2: Convert to fraction form
    223,858.10/335,787.15 = 199,363.70/x
  3. Step 3: Cross multiply
    223,858.10x = 335,787.15 × 199,363.70
  4. Step 4: Simplify right side
    223,858.10x = 66,943,768,636.46
  5. Step 5: Solve for x
    x = 66,943,768,636.46/223,858.10
  6. Step 6: Final answer
    x = 299,045.55

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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.