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Finding the Fourth Proportional to 79,803.77, 110,129.18 and 43,994.39

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Solution

The fourth proportional to 79,803.77, 110,129.18 and 43,994.39 is: 60,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,803.77 : 110,129.18 = 43,994.39 : x
  2. Step 2: Convert to fraction form
    79,803.77/110,129.18 = 43,994.39/x
  3. Step 3: Cross multiply
    79,803.77x = 110,129.18 × 43,994.39
  4. Step 4: Simplify right side
    79,803.77x = 4,845,065,875.33
  5. Step 5: Solve for x
    x = 4,845,065,875.33/79,803.77
  6. Step 6: Final answer
    x = 60,712.24

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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.