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Finding the Fourth Proportional to 203,234.96, 304,868.21 and 61,069.13

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Solution

The fourth proportional to 203,234.96, 304,868.21 and 61,069.13 is: 91,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,234.96 : 304,868.21 = 61,069.13 : x
  2. Step 2: Convert to fraction form
    203,234.96/304,868.21 = 61,069.13/x
  3. Step 3: Cross multiply
    203,234.96x = 304,868.21 × 61,069.13
  4. Step 4: Simplify right side
    203,234.96x = 18,618,036,806.18
  5. Step 5: Solve for x
    x = 18,618,036,806.18/203,234.96
  6. Step 6: Final answer
    x = 91,608.44

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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.