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Finding the Fourth Proportional to 98,293.25, 135,566.66 and 63,800.27

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Solution

The fourth proportional to 98,293.25, 135,566.66 and 63,800.27 is: 87,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,293.25 : 135,566.66 = 63,800.27 : x
  2. Step 2: Convert to fraction form
    98,293.25/135,566.66 = 63,800.27/x
  3. Step 3: Cross multiply
    98,293.25x = 135,566.66 × 63,800.27
  4. Step 4: Simplify right side
    98,293.25x = 8,649,188,833.16
  5. Step 5: Solve for x
    x = 8,649,188,833.16/98,293.25
  6. Step 6: Final answer
    x = 87,993.73

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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.