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Finding the Fourth Proportional to 178,472.84, 267,623.15 and 103,611.83

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Solution

The fourth proportional to 178,472.84, 267,623.15 and 103,611.83 is: 155,367.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,472.84 : 267,623.15 = 103,611.83 : x
  2. Step 2: Convert to fraction form
    178,472.84/267,623.15 = 103,611.83/x
  3. Step 3: Cross multiply
    178,472.84x = 267,623.15 × 103,611.83
  4. Step 4: Simplify right side
    178,472.84x = 27,728,924,321.86
  5. Step 5: Solve for x
    x = 27,728,924,321.86/178,472.84
  6. Step 6: Final answer
    x = 155,367.75

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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.