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Finding the Fourth Proportional to 79,192.44, 109,244.16 and 48,968.10

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Solution

The fourth proportional to 79,192.44, 109,244.16 and 48,968.10 is: 67,550.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,192.44 : 109,244.16 = 48,968.10 : x
  2. Step 2: Convert to fraction form
    79,192.44/109,244.16 = 48,968.10/x
  3. Step 3: Cross multiply
    79,192.44x = 109,244.16 × 48,968.10
  4. Step 4: Simplify right side
    79,192.44x = 5,349,478,951.30
  5. Step 5: Solve for x
    x = 5,349,478,951.30/79,192.44
  6. Step 6: Final answer
    x = 67,550.37

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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.