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Finding the Fourth Proportional to 150,063.82, 225,012.62 and 61,379.60

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Solution

The fourth proportional to 150,063.82, 225,012.62 and 61,379.60 is: 92,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,063.82 : 225,012.62 = 61,379.60 : x
  2. Step 2: Convert to fraction form
    150,063.82/225,012.62 = 61,379.60/x
  3. Step 3: Cross multiply
    150,063.82x = 225,012.62 × 61,379.60
  4. Step 4: Simplify right side
    150,063.82x = 13,811,183,638.94
  5. Step 5: Solve for x
    x = 13,811,183,638.94/150,063.82
  6. Step 6: Final answer
    x = 92,035.40

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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.