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Finding the Fourth Proportional to 68,831.67, 95,014.72 and 48,793.29

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Solution

The fourth proportional to 68,831.67, 95,014.72 and 48,793.29 is: 67,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,831.67 : 95,014.72 = 48,793.29 : x
  2. Step 2: Convert to fraction form
    68,831.67/95,014.72 = 48,793.29/x
  3. Step 3: Cross multiply
    68,831.67x = 95,014.72 × 48,793.29
  4. Step 4: Simplify right side
    68,831.67x = 4,636,080,787.23
  5. Step 5: Solve for x
    x = 4,636,080,787.23/68,831.67
  6. Step 6: Final answer
    x = 67,353.89

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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.