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Finding the Fourth Proportional to 167,992.64, 251,855.76 and 88,015.27

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Solution

The fourth proportional to 167,992.64, 251,855.76 and 88,015.27 is: 131,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,992.64 : 251,855.76 = 88,015.27 : x
  2. Step 2: Convert to fraction form
    167,992.64/251,855.76 = 88,015.27/x
  3. Step 3: Cross multiply
    167,992.64x = 251,855.76 × 88,015.27
  4. Step 4: Simplify right side
    167,992.64x = 22,167,152,663.12
  5. Step 5: Solve for x
    x = 22,167,152,663.12/167,992.64
  6. Step 6: Final answer
    x = 131,953.12

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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.