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Finding the Fourth Proportional to 117,067, 161,553.60 and 63,353.13

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Solution

The fourth proportional to 117,067, 161,553.60 and 63,353.13 is: 87,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,067 : 161,553.60 = 63,353.13 : x
  2. Step 2: Convert to fraction form
    117,067/161,553.60 = 63,353.13/x
  3. Step 3: Cross multiply
    117,067x = 161,553.60 × 63,353.13
  4. Step 4: Simplify right side
    117,067x = 10,234,926,222.77
  5. Step 5: Solve for x
    x = 10,234,926,222.77/117,067
  6. Step 6: Final answer
    x = 87,427.94

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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.