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Finding the Fourth Proportional to 375,786.57, 563,773.28 and 109,549.43

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Solution

The fourth proportional to 375,786.57, 563,773.28 and 109,549.43 is: 164,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,786.57 : 563,773.28 = 109,549.43 : x
  2. Step 2: Convert to fraction form
    375,786.57/563,773.28 = 109,549.43/x
  3. Step 3: Cross multiply
    375,786.57x = 563,773.28 × 109,549.43
  4. Step 4: Simplify right side
    375,786.57x = 61,761,040,836.98
  5. Step 5: Solve for x
    x = 61,761,040,836.98/375,786.57
  6. Step 6: Final answer
    x = 164,351.38

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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.