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Finding the Fourth Proportional to 335,922.70, 503,880.90 and 136,195.62

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Solution

The fourth proportional to 335,922.70, 503,880.90 and 136,195.62 is: 204,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,922.70 : 503,880.90 = 136,195.62 : x
  2. Step 2: Convert to fraction form
    335,922.70/503,880.90 = 136,195.62/x
  3. Step 3: Cross multiply
    335,922.70x = 503,880.90 × 136,195.62
  4. Step 4: Simplify right side
    335,922.70x = 68,626,371,581.66
  5. Step 5: Solve for x
    x = 68,626,371,581.66/335,922.70
  6. Step 6: Final answer
    x = 204,292.15

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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.