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Finding the Fourth Proportional to 79,896.97, 110,254.12 and 45,881.52

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Solution

The fourth proportional to 79,896.97, 110,254.12 and 45,881.52 is: 63,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,896.97 : 110,254.12 = 45,881.52 : x
  2. Step 2: Convert to fraction form
    79,896.97/110,254.12 = 45,881.52/x
  3. Step 3: Cross multiply
    79,896.97x = 110,254.12 × 45,881.52
  4. Step 4: Simplify right side
    79,896.97x = 5,058,626,611.86
  5. Step 5: Solve for x
    x = 5,058,626,611.86/79,896.97
  6. Step 6: Final answer
    x = 63,314.37

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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.