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Finding the Fourth Proportional to 203,225.52, 304,754.85 and 61,021.11

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Solution

The fourth proportional to 203,225.52, 304,754.85 and 61,021.11 is: 91,506.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,225.52 : 304,754.85 = 61,021.11 : x
  2. Step 2: Convert to fraction form
    203,225.52/304,754.85 = 61,021.11/x
  3. Step 3: Cross multiply
    203,225.52x = 304,754.85 × 61,021.11
  4. Step 4: Simplify right side
    203,225.52x = 18,596,479,224.88
  5. Step 5: Solve for x
    x = 18,596,479,224.88/203,225.52
  6. Step 6: Final answer
    x = 91,506.61

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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.