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Finding the Fourth Proportional to 150,554.64, 225,853.56 and 80,395.68

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Solution

The fourth proportional to 150,554.64, 225,853.56 and 80,395.68 is: 120,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,554.64 : 225,853.56 = 80,395.68 : x
  2. Step 2: Convert to fraction form
    150,554.64/225,853.56 = 80,395.68/x
  3. Step 3: Cross multiply
    150,554.64x = 225,853.56 × 80,395.68
  4. Step 4: Simplify right side
    150,554.64x = 18,157,650,536.62
  5. Step 5: Solve for x
    x = 18,157,650,536.62/150,554.64
  6. Step 6: Final answer
    x = 120,605.05

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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.