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Finding the Fourth Proportional to 150,003.90, 225,005.85 and 150,003.90

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Solution

The fourth proportional to 150,003.90, 225,005.85 and 150,003.90 is: 225,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,003.90 : 225,005.85 = 150,003.90 : x
  2. Step 2: Convert to fraction form
    150,003.90/225,005.85 = 150,003.90/x
  3. Step 3: Cross multiply
    150,003.90x = 225,005.85 × 150,003.90
  4. Step 4: Simplify right side
    150,003.90x = 33,751,755,022.82
  5. Step 5: Solve for x
    x = 33,751,755,022.82/150,003.90
  6. Step 6: Final answer
    x = 225,005.85

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1.5x scale

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.