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Finding the Fourth Proportional to 150,064.44, 225,013.56 and 61,380.22

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Solution

The fourth proportional to 150,064.44, 225,013.56 and 61,380.22 is: 92,036.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,064.44 : 225,013.56 = 61,380.22 : x
  2. Step 2: Convert to fraction form
    150,064.44/225,013.56 = 61,380.22/x
  3. Step 3: Cross multiply
    150,064.44x = 225,013.56 × 61,380.22
  4. Step 4: Simplify right side
    150,064.44x = 13,811,381,815.78
  5. Step 5: Solve for x
    x = 13,811,381,815.78/150,064.44
  6. Step 6: Final answer
    x = 92,036.34

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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.