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Finding the Fourth Proportional to 50,868.78, 76,287.56 and 35,174.65

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Solution

The fourth proportional to 50,868.78, 76,287.56 and 35,174.65 is: 52,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,868.78 : 76,287.56 = 35,174.65 : x
  2. Step 2: Convert to fraction form
    50,868.78/76,287.56 = 35,174.65/x
  3. Step 3: Cross multiply
    50,868.78x = 76,287.56 × 35,174.65
  4. Step 4: Simplify right side
    50,868.78x = 2,683,388,222.35
  5. Step 5: Solve for x
    x = 2,683,388,222.35/50,868.78
  6. Step 6: Final answer
    x = 52,751.19

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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.