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Finding the Fourth Proportional to 79,957.44, 110,339.55 and 43,658.10

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Solution

The fourth proportional to 79,957.44, 110,339.55 and 43,658.10 is: 60,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,957.44 : 110,339.55 = 43,658.10 : x
  2. Step 2: Convert to fraction form
    79,957.44/110,339.55 = 43,658.10/x
  3. Step 3: Cross multiply
    79,957.44x = 110,339.55 × 43,658.10
  4. Step 4: Simplify right side
    79,957.44x = 4,817,215,107.86
  5. Step 5: Solve for x
    x = 4,817,215,107.86/79,957.44
  6. Step 6: Final answer
    x = 60,247.24

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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.