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Finding the Fourth Proportional to 100,395.48, 150,392.46 and 60,392.37

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Solution

The fourth proportional to 100,395.48, 150,392.46 and 60,392.37 is: 90,467.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,395.48 : 150,392.46 = 60,392.37 : x
  2. Step 2: Convert to fraction form
    100,395.48/150,392.46 = 60,392.37/x
  3. Step 3: Cross multiply
    100,395.48x = 150,392.46 × 60,392.37
  4. Step 4: Simplify right side
    100,395.48x = 9,082,557,089.53
  5. Step 5: Solve for x
    x = 9,082,557,089.53/100,395.48
  6. Step 6: Final answer
    x = 90,467.79

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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.