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Finding the Fourth Proportional to 79,745.91, 110,052.40 and 43,935.15

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Solution

The fourth proportional to 79,745.91, 110,052.40 and 43,935.15 is: 60,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,745.91 : 110,052.40 = 43,935.15 : x
  2. Step 2: Convert to fraction form
    79,745.91/110,052.40 = 43,935.15/x
  3. Step 3: Cross multiply
    79,745.91x = 110,052.40 × 43,935.15
  4. Step 4: Simplify right side
    79,745.91x = 4,835,168,592.02
  5. Step 5: Solve for x
    x = 4,835,168,592.02/79,745.91
  6. Step 6: Final answer
    x = 60,632.18

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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.