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Finding the Fourth Proportional to 178,369.72, 267,559.45 and 52,006.91

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Solution

The fourth proportional to 178,369.72, 267,559.45 and 52,006.91 is: 78,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,369.72 : 267,559.45 = 52,006.91 : x
  2. Step 2: Convert to fraction form
    178,369.72/267,559.45 = 52,006.91/x
  3. Step 3: Cross multiply
    178,369.72x = 267,559.45 × 52,006.91
  4. Step 4: Simplify right side
    178,369.72x = 13,914,938,767.99
  5. Step 5: Solve for x
    x = 13,914,938,767.99/178,369.72
  6. Step 6: Final answer
    x = 78,011.78

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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.