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Finding the Fourth Proportional to 79,807.73, 110,135.39 and 43,999.02

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Solution

The fourth proportional to 79,807.73, 110,135.39 and 43,999.02 is: 60,719.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,807.73 : 110,135.39 = 43,999.02 : x
  2. Step 2: Convert to fraction form
    79,807.73/110,135.39 = 43,999.02/x
  3. Step 3: Cross multiply
    79,807.73x = 110,135.39 × 43,999.02
  4. Step 4: Simplify right side
    79,807.73x = 4,845,849,007.32
  5. Step 5: Solve for x
    x = 4,845,849,007.32/79,807.73
  6. Step 6: Final answer
    x = 60,719.05

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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.