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Finding the Fourth Proportional to 266,227.36, 399,107.82 and 100,132

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Solution

The fourth proportional to 266,227.36, 399,107.82 and 100,132 is: 150,110.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,227.36 : 399,107.82 = 100,132 : x
  2. Step 2: Convert to fraction form
    266,227.36/399,107.82 = 100,132/x
  3. Step 3: Cross multiply
    266,227.36x = 399,107.82 × 100,132
  4. Step 4: Simplify right side
    266,227.36x = 39,963,464,232.24
  5. Step 5: Solve for x
    x = 39,963,464,232.24/266,227.36
  6. Step 6: Final answer
    x = 150,110.28

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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.