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Finding the Fourth Proportional to 365,072.76, 547,608.72 and 137,410.92

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Solution

The fourth proportional to 365,072.76, 547,608.72 and 137,410.92 is: 206,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,072.76 : 547,608.72 = 137,410.92 : x
  2. Step 2: Convert to fraction form
    365,072.76/547,608.72 = 137,410.92/x
  3. Step 3: Cross multiply
    365,072.76x = 547,608.72 × 137,410.92
  4. Step 4: Simplify right side
    365,072.76x = 75,247,418,015.22
  5. Step 5: Solve for x
    x = 75,247,418,015.22/365,072.76
  6. Step 6: Final answer
    x = 206,116.22

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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.