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Finding the Fourth Proportional to 203,262.52, 304,893.90 and 84,869.32

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Solution

The fourth proportional to 203,262.52, 304,893.90 and 84,869.32 is: 127,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,262.52 : 304,893.90 = 84,869.32 : x
  2. Step 2: Convert to fraction form
    203,262.52/304,893.90 = 84,869.32/x
  3. Step 3: Cross multiply
    203,262.52x = 304,893.90 × 84,869.32
  4. Step 4: Simplify right side
    203,262.52x = 25,876,137,965.15
  5. Step 5: Solve for x
    x = 25,876,137,965.15/203,262.52
  6. Step 6: Final answer
    x = 127,304.03

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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.