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Finding the Fourth Proportional to 100,480.21, 150,754.64 and 62,995.03

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Solution

The fourth proportional to 100,480.21, 150,754.64 and 62,995.03 is: 94,514.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,480.21 : 150,754.64 = 62,995.03 : x
  2. Step 2: Convert to fraction form
    100,480.21/150,754.64 = 62,995.03/x
  3. Step 3: Cross multiply
    100,480.21x = 150,754.64 × 62,995.03
  4. Step 4: Simplify right side
    100,480.21x = 9,496,792,377.58
  5. Step 5: Solve for x
    x = 9,496,792,377.58/100,480.21
  6. Step 6: Final answer
    x = 94,514.06

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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.