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Finding the Fourth Proportional to 234,699.36, 351,208 and 203,218.08

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Solution

The fourth proportional to 234,699.36, 351,208 and 203,218.08 is: 304,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,699.36 : 351,208 = 203,218.08 : x
  2. Step 2: Convert to fraction form
    234,699.36/351,208 = 203,218.08/x
  3. Step 3: Cross multiply
    234,699.36x = 351,208 × 203,218.08
  4. Step 4: Simplify right side
    234,699.36x = 71,371,815,440.64
  5. Step 5: Solve for x
    x = 71,371,815,440.64/234,699.36
  6. Step 6: Final answer
    x = 304,098.89

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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.