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Finding the Fourth Proportional to 336,511.33, 504,767.21 and 99,851.92

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Solution

The fourth proportional to 336,511.33, 504,767.21 and 99,851.92 is: 149,777.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,511.33 : 504,767.21 = 99,851.92 : x
  2. Step 2: Convert to fraction form
    336,511.33/504,767.21 = 99,851.92/x
  3. Step 3: Cross multiply
    336,511.33x = 504,767.21 × 99,851.92
  4. Step 4: Simplify right side
    336,511.33x = 50,401,973,310.37
  5. Step 5: Solve for x
    x = 50,401,973,310.37/336,511.33
  6. Step 6: Final answer
    x = 149,777.94

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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.