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Finding the Fourth Proportional to 68,831.36, 95,000.32 and 44,978.48

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Solution

The fourth proportional to 68,831.36, 95,000.32 and 44,978.48 is: 62,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,831.36 : 95,000.32 = 44,978.48 : x
  2. Step 2: Convert to fraction form
    68,831.36/95,000.32 = 44,978.48/x
  3. Step 3: Cross multiply
    68,831.36x = 95,000.32 × 44,978.48
  4. Step 4: Simplify right side
    68,831.36x = 4,272,969,993.11
  5. Step 5: Solve for x
    x = 4,272,969,993.11/68,831.36
  6. Step 6: Final answer
    x = 62,078.83

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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.