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Finding the Fourth Proportional to 266,813.25, 400,220.01 and 109,041.54

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Solution

The fourth proportional to 266,813.25, 400,220.01 and 109,041.54 is: 163,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,813.25 : 400,220.01 = 109,041.54 : x
  2. Step 2: Convert to fraction form
    266,813.25/400,220.01 = 109,041.54/x
  3. Step 3: Cross multiply
    266,813.25x = 400,220.01 × 109,041.54
  4. Step 4: Simplify right side
    266,813.25x = 43,640,606,229.22
  5. Step 5: Solve for x
    x = 43,640,606,229.22/266,813.25
  6. Step 6: Final answer
    x = 163,562.37

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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.