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Finding the Fourth Proportional to 178,310.40, 267,616.80 and 73,204.80

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Solution

The fourth proportional to 178,310.40, 267,616.80 and 73,204.80 is: 109,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,310.40 : 267,616.80 = 73,204.80 : x
  2. Step 2: Convert to fraction form
    178,310.40/267,616.80 = 73,204.80/x
  3. Step 3: Cross multiply
    178,310.40x = 267,616.80 × 73,204.80
  4. Step 4: Simplify right side
    178,310.40x = 19,590,834,320.64
  5. Step 5: Solve for x
    x = 19,590,834,320.64/178,310.40
  6. Step 6: Final answer
    x = 109,869.27

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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.