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Finding the Fourth Proportional to 79,564.22, 109,799.44 and 43,754.48

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Solution

The fourth proportional to 79,564.22, 109,799.44 and 43,754.48 is: 60,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,564.22 : 109,799.44 = 43,754.48 : x
  2. Step 2: Convert to fraction form
    79,564.22/109,799.44 = 43,754.48/x
  3. Step 3: Cross multiply
    79,564.22x = 109,799.44 × 43,754.48
  4. Step 4: Simplify right side
    79,564.22x = 4,804,217,401.49
  5. Step 5: Solve for x
    x = 4,804,217,401.49/79,564.22
  6. Step 6: Final answer
    x = 60,381.63

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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.