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Finding the Fourth Proportional to 88,751.14, 122,481.54 and 48,468.64

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Solution

The fourth proportional to 88,751.14, 122,481.54 and 48,468.64 is: 66,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,751.14 : 122,481.54 = 48,468.64 : x
  2. Step 2: Convert to fraction form
    88,751.14/122,481.54 = 48,468.64/x
  3. Step 3: Cross multiply
    88,751.14x = 122,481.54 × 48,468.64
  4. Step 4: Simplify right side
    88,751.14x = 5,936,513,668.91
  5. Step 5: Solve for x
    x = 5,936,513,668.91/88,751.14
  6. Step 6: Final answer
    x = 66,889.44

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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.