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Finding the Fourth Proportional to 79,461.44, 109,651.36 and 43,652.96

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Solution

The fourth proportional to 79,461.44, 109,651.36 and 43,652.96 is: 60,238.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,461.44 : 109,651.36 = 43,652.96 : x
  2. Step 2: Convert to fraction form
    79,461.44/109,651.36 = 43,652.96/x
  3. Step 3: Cross multiply
    79,461.44x = 109,651.36 × 43,652.96
  4. Step 4: Simplify right side
    79,461.44x = 4,786,606,432.03
  5. Step 5: Solve for x
    x = 4,786,606,432.03/79,461.44
  6. Step 6: Final answer
    x = 60,238.10

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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.