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Finding the Fourth Proportional to 150,885.72, 226,377.72 and 71,989.74

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Solution

The fourth proportional to 150,885.72, 226,377.72 and 71,989.74 is: 108,008.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,885.72 : 226,377.72 = 71,989.74 : x
  2. Step 2: Convert to fraction form
    150,885.72/226,377.72 = 71,989.74/x
  3. Step 3: Cross multiply
    150,885.72x = 226,377.72 × 71,989.74
  4. Step 4: Simplify right side
    150,885.72x = 16,296,873,204.59
  5. Step 5: Solve for x
    x = 16,296,873,204.59/150,885.72
  6. Step 6: Final answer
    x = 108,008.06

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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.