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Finding the Fourth Proportional to 97,229.98, 134,239.29 and 79,367.45

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Solution

The fourth proportional to 97,229.98, 134,239.29 and 79,367.45 is: 109,577.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,229.98 : 134,239.29 = 79,367.45 : x
  2. Step 2: Convert to fraction form
    97,229.98/134,239.29 = 79,367.45/x
  3. Step 3: Cross multiply
    97,229.98x = 134,239.29 × 79,367.45
  4. Step 4: Simplify right side
    97,229.98x = 10,654,230,137.11
  5. Step 5: Solve for x
    x = 10,654,230,137.11/97,229.98
  6. Step 6: Final answer
    x = 109,577.62

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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.