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Finding the Fourth Proportional to 117,992.67, 162,890.24 and 79,953.24

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Solution

The fourth proportional to 117,992.67, 162,890.24 and 79,953.24 is: 110,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,992.67 : 162,890.24 = 79,953.24 : x
  2. Step 2: Convert to fraction form
    117,992.67/162,890.24 = 79,953.24/x
  3. Step 3: Cross multiply
    117,992.67x = 162,890.24 × 79,953.24
  4. Step 4: Simplify right side
    117,992.67x = 13,023,602,052.61
  5. Step 5: Solve for x
    x = 13,023,602,052.61/117,992.67
  6. Step 6: Final answer
    x = 110,376.37

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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.