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Finding the Fourth Proportional to 178,369.09, 267,581.31 and 60,031.20

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Solution

The fourth proportional to 178,369.09, 267,581.31 and 60,031.20 is: 90,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,369.09 : 267,581.31 = 60,031.20 : x
  2. Step 2: Convert to fraction form
    178,369.09/267,581.31 = 60,031.20/x
  3. Step 3: Cross multiply
    178,369.09x = 267,581.31 × 60,031.20
  4. Step 4: Simplify right side
    178,369.09x = 16,063,227,136.87
  5. Step 5: Solve for x
    x = 16,063,227,136.87/178,369.09
  6. Step 6: Final answer
    x = 90,056.11

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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.