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Finding the Fourth Proportional to 79,264.54, 109,381.62 and 47,450.98

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Solution

The fourth proportional to 79,264.54, 109,381.62 and 47,450.98 is: 65,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,264.54 : 109,381.62 = 47,450.98 : x
  2. Step 2: Convert to fraction form
    79,264.54/109,381.62 = 47,450.98/x
  3. Step 3: Cross multiply
    79,264.54x = 109,381.62 × 47,450.98
  4. Step 4: Simplify right side
    79,264.54x = 5,190,265,377.66
  5. Step 5: Solve for x
    x = 5,190,265,377.66/79,264.54
  6. Step 6: Final answer
    x = 65,480.29

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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.