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Finding the Fourth Proportional to 150,451.93, 207,623.15 and 82,469.34

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Solution

The fourth proportional to 150,451.93, 207,623.15 and 82,469.34 is: 113,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,451.93 : 207,623.15 = 82,469.34 : x
  2. Step 2: Convert to fraction form
    150,451.93/207,623.15 = 82,469.34/x
  3. Step 3: Cross multiply
    150,451.93x = 207,623.15 × 82,469.34
  4. Step 4: Simplify right side
    150,451.93x = 17,122,544,046.13
  5. Step 5: Solve for x
    x = 17,122,544,046.13/150,451.93
  6. Step 6: Final answer
    x = 113,807.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.