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Finding the Fourth Proportional to 67,976.75, 101,999.75 and 48,113.93

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Solution

The fourth proportional to 67,976.75, 101,999.75 and 48,113.93 is: 72,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,976.75 : 101,999.75 = 48,113.93 : x
  2. Step 2: Convert to fraction form
    67,976.75/101,999.75 = 48,113.93/x
  3. Step 3: Cross multiply
    67,976.75x = 101,999.75 × 48,113.93
  4. Step 4: Simplify right side
    67,976.75x = 4,907,608,831.52
  5. Step 5: Solve for x
    x = 4,907,608,831.52/67,976.75
  6. Step 6: Final answer
    x = 72,195.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.