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Finding the Fourth Proportional to 203,238.15, 304,872.99 and 61,072.32

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Solution

The fourth proportional to 203,238.15, 304,872.99 and 61,072.32 is: 91,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,238.15 : 304,872.99 = 61,072.32 : x
  2. Step 2: Convert to fraction form
    203,238.15/304,872.99 = 61,072.32/x
  3. Step 3: Cross multiply
    203,238.15x = 304,872.99 × 61,072.32
  4. Step 4: Simplify right side
    203,238.15x = 18,619,300,804.64
  5. Step 5: Solve for x
    x = 18,619,300,804.64/203,238.15
  6. Step 6: Final answer
    x = 91,613.22

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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.