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Finding the Fourth Proportional to 79,984, 110,377.92 and 44,656

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Solution

The fourth proportional to 79,984, 110,377.92 and 44,656 is: 61,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,984 : 110,377.92 = 44,656 : x
  2. Step 2: Convert to fraction form
    79,984/110,377.92 = 44,656/x
  3. Step 3: Cross multiply
    79,984x = 110,377.92 × 44,656
  4. Step 4: Simplify right side
    79,984x = 4,929,036,395.52
  5. Step 5: Solve for x
    x = 4,929,036,395.52/79,984
  6. Step 6: Final answer
    x = 61,625.28

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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.