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Finding the Fourth Proportional to 79,496.92, 109,701.30 and 47,649.88

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Solution

The fourth proportional to 79,496.92, 109,701.30 and 47,649.88 is: 65,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,496.92 : 109,701.30 = 47,649.88 : x
  2. Step 2: Convert to fraction form
    79,496.92/109,701.30 = 47,649.88/x
  3. Step 3: Cross multiply
    79,496.92x = 109,701.30 × 47,649.88
  4. Step 4: Simplify right side
    79,496.92x = 5,227,253,780.84
  5. Step 5: Solve for x
    x = 5,227,253,780.84/79,496.92
  6. Step 6: Final answer
    x = 65,754.17

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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.