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Finding the Fourth Proportional to 166,737.88, 250,153.53 and 66,968.11

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Solution

The fourth proportional to 166,737.88, 250,153.53 and 66,968.11 is: 100,470.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,737.88 : 250,153.53 = 66,968.11 : x
  2. Step 2: Convert to fraction form
    166,737.88/250,153.53 = 66,968.11/x
  3. Step 3: Cross multiply
    166,737.88x = 250,153.53 × 66,968.11
  4. Step 4: Simplify right side
    166,737.88x = 16,752,309,113.93
  5. Step 5: Solve for x
    x = 16,752,309,113.93/166,737.88
  6. Step 6: Final answer
    x = 100,470.93

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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.