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Finding the Fourth Proportional to 79,906.10, 110,266.95 and 43,606.62

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Solution

The fourth proportional to 79,906.10, 110,266.95 and 43,606.62 is: 60,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,906.10 : 110,266.95 = 43,606.62 : x
  2. Step 2: Convert to fraction form
    79,906.10/110,266.95 = 43,606.62/x
  3. Step 3: Cross multiply
    79,906.10x = 110,266.95 × 43,606.62
  4. Step 4: Simplify right side
    79,906.10x = 4,808,368,987.21
  5. Step 5: Solve for x
    x = 4,808,368,987.21/79,906.10
  6. Step 6: Final answer
    x = 60,175.25

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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.