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Finding the Fourth Proportional to 271,461.92, 374,487.54 and 162,491.90

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Solution

The fourth proportional to 271,461.92, 374,487.54 and 162,491.90 is: 224,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,461.92 : 374,487.54 = 162,491.90 : x
  2. Step 2: Convert to fraction form
    271,461.92/374,487.54 = 162,491.90/x
  3. Step 3: Cross multiply
    271,461.92x = 374,487.54 × 162,491.90
  4. Step 4: Simplify right side
    271,461.92x = 60,851,191,900.93
  5. Step 5: Solve for x
    x = 60,851,191,900.93/271,461.92
  6. Step 6: Final answer
    x = 224,161.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.