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Finding the Fourth Proportional to 79,137.44, 109,211.04 and 48,922.01

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Solution

The fourth proportional to 79,137.44, 109,211.04 and 48,922.01 is: 67,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,137.44 : 109,211.04 = 48,922.01 : x
  2. Step 2: Convert to fraction form
    79,137.44/109,211.04 = 48,922.01/x
  3. Step 3: Cross multiply
    79,137.44x = 109,211.04 × 48,922.01
  4. Step 4: Simplify right side
    79,137.44x = 5,342,823,590.99
  5. Step 5: Solve for x
    x = 5,342,823,590.99/79,137.44
  6. Step 6: Final answer
    x = 67,513.22

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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.