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Finding the Fourth Proportional to 79,913.82, 110,295.36 and 47,650.52

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Solution

The fourth proportional to 79,913.82, 110,295.36 and 47,650.52 is: 65,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,913.82 : 110,295.36 = 47,650.52 : x
  2. Step 2: Convert to fraction form
    79,913.82/110,295.36 = 47,650.52/x
  3. Step 3: Cross multiply
    79,913.82x = 110,295.36 × 47,650.52
  4. Step 4: Simplify right side
    79,913.82x = 5,255,630,992.34
  5. Step 5: Solve for x
    x = 5,255,630,992.34/79,913.82
  6. Step 6: Final answer
    x = 65,766.24

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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.