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Finding the Fourth Proportional to 161,758.88, 223,224.24 and 88,171.94

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Solution

The fourth proportional to 161,758.88, 223,224.24 and 88,171.94 is: 121,675.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758.88 : 223,224.24 = 88,171.94 : x
  2. Step 2: Convert to fraction form
    161,758.88/223,224.24 = 88,171.94/x
  3. Step 3: Cross multiply
    161,758.88x = 223,224.24 × 88,171.94
  4. Step 4: Simplify right side
    161,758.88x = 19,682,113,179.70
  5. Step 5: Solve for x
    x = 19,682,113,179.70/161,758.88
  6. Step 6: Final answer
    x = 121,675.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.