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Finding the Fourth Proportional to 266,787.52, 400,181.94 and 109,015.94

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Solution

The fourth proportional to 266,787.52, 400,181.94 and 109,015.94 is: 163,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,787.52 : 400,181.94 = 109,015.94 : x
  2. Step 2: Convert to fraction form
    266,787.52/400,181.94 = 109,015.94/x
  3. Step 3: Cross multiply
    266,787.52x = 400,181.94 × 109,015.94
  4. Step 4: Simplify right side
    266,787.52x = 43,626,210,360.12
  5. Step 5: Solve for x
    x = 43,626,210,360.12/266,787.52
  6. Step 6: Final answer
    x = 163,524.18

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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.