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Finding the Fourth Proportional to 88,680.52, 122,400.06 and 50,976.64

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Solution

The fourth proportional to 88,680.52, 122,400.06 and 50,976.64 is: 70,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,680.52 : 122,400.06 = 50,976.64 : x
  2. Step 2: Convert to fraction form
    88,680.52/122,400.06 = 50,976.64/x
  3. Step 3: Cross multiply
    88,680.52x = 122,400.06 × 50,976.64
  4. Step 4: Simplify right side
    88,680.52x = 6,239,543,794.60
  5. Step 5: Solve for x
    x = 6,239,543,794.60/88,680.52
  6. Step 6: Final answer
    x = 70,359.80

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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.