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Finding the Fourth Proportional to 100,351.50, 150,537.34 and 26,479.50

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Solution

The fourth proportional to 100,351.50, 150,537.34 and 26,479.50 is: 39,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,351.50 : 150,537.34 = 26,479.50 : x
  2. Step 2: Convert to fraction form
    100,351.50/150,537.34 = 26,479.50/x
  3. Step 3: Cross multiply
    100,351.50x = 150,537.34 × 26,479.50
  4. Step 4: Simplify right side
    100,351.50x = 3,986,153,494.53
  5. Step 5: Solve for x
    x = 3,986,153,494.53/100,351.50
  6. Step 6: Final answer
    x = 39,721.91

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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.