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Finding the Fourth Proportional to 266,624.25, 400,083.99 and 159,745.56

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Solution

The fourth proportional to 266,624.25, 400,083.99 and 159,745.56 is: 239,706.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,624.25 : 400,083.99 = 159,745.56 : x
  2. Step 2: Convert to fraction form
    266,624.25/400,083.99 = 159,745.56/x
  3. Step 3: Cross multiply
    266,624.25x = 400,083.99 × 159,745.56
  4. Step 4: Simplify right side
    266,624.25x = 63,911,641,029.58
  5. Step 5: Solve for x
    x = 63,911,641,029.58/266,624.25
  6. Step 6: Final answer
    x = 239,706.78

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1.5x scale

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.