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Finding the Fourth Proportional to 205,787.17, 308,701.01 and 63,626.91

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Solution

The fourth proportional to 205,787.17, 308,701.01 and 63,626.91 is: 95,446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,787.17 : 308,701.01 = 63,626.91 : x
  2. Step 2: Convert to fraction form
    205,787.17/308,701.01 = 63,626.91/x
  3. Step 3: Cross multiply
    205,787.17x = 308,701.01 × 63,626.91
  4. Step 4: Simplify right side
    205,787.17x = 19,641,691,380.18
  5. Step 5: Solve for x
    x = 19,641,691,380.18/205,787.17
  6. Step 6: Final answer
    x = 95,446.63

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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.