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Finding the Fourth Proportional to 200,604.60, 300,912.84 and 88,226.52

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Solution

The fourth proportional to 200,604.60, 300,912.84 and 88,226.52 is: 132,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,604.60 : 300,912.84 = 88,226.52 : x
  2. Step 2: Convert to fraction form
    200,604.60/300,912.84 = 88,226.52/x
  3. Step 3: Cross multiply
    200,604.60x = 300,912.84 × 88,226.52
  4. Step 4: Simplify right side
    200,604.60x = 26,548,492,696.52
  5. Step 5: Solve for x
    x = 26,548,492,696.52/200,604.60
  6. Step 6: Final answer
    x = 132,342.39

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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.