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Finding the Fourth Proportional to 203,245.22, 304,882.94 and 61,079.11

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Solution

The fourth proportional to 203,245.22, 304,882.94 and 61,079.11 is: 91,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,245.22 : 304,882.94 = 61,079.11 : x
  2. Step 2: Convert to fraction form
    203,245.22/304,882.94 = 61,079.11/x
  3. Step 3: Cross multiply
    203,245.22x = 304,882.94 × 61,079.11
  4. Step 4: Simplify right side
    203,245.22x = 18,621,979,734.84
  5. Step 5: Solve for x
    x = 18,621,979,734.84/203,245.22
  6. Step 6: Final answer
    x = 91,623.21

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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.