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Finding the Fourth Proportional to 79,946.66, 110,324.66 and 43,646.87

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Solution

The fourth proportional to 79,946.66, 110,324.66 and 43,646.87 is: 60,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,946.66 : 110,324.66 = 43,646.87 : x
  2. Step 2: Convert to fraction form
    79,946.66/110,324.66 = 43,646.87/x
  3. Step 3: Cross multiply
    79,946.66x = 110,324.66 × 43,646.87
  4. Step 4: Simplify right side
    79,946.66x = 4,815,325,322.96
  5. Step 5: Solve for x
    x = 4,815,325,322.96/79,946.66
  6. Step 6: Final answer
    x = 60,231.73

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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.