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Finding the Fourth Proportional to 335,571.72, 503,007.66 and 136,029.84

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Solution

The fourth proportional to 335,571.72, 503,007.66 and 136,029.84 is: 203,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,571.72 : 503,007.66 = 136,029.84 : x
  2. Step 2: Convert to fraction form
    335,571.72/503,007.66 = 136,029.84/x
  3. Step 3: Cross multiply
    335,571.72x = 503,007.66 × 136,029.84
  4. Step 4: Simplify right side
    335,571.72x = 68,424,051,508.57
  5. Step 5: Solve for x
    x = 68,424,051,508.57/335,571.72
  6. Step 6: Final answer
    x = 203,902.91

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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.