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Finding the Fourth Proportional to 271,487.61, 374,673.46 and 150,651.76

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Solution

The fourth proportional to 271,487.61, 374,673.46 and 150,651.76 is: 207,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,487.61 : 374,673.46 = 150,651.76 : x
  2. Step 2: Convert to fraction form
    271,487.61/374,673.46 = 150,651.76/x
  3. Step 3: Cross multiply
    271,487.61x = 374,673.46 × 150,651.76
  4. Step 4: Simplify right side
    271,487.61x = 56,445,216,174.29
  5. Step 5: Solve for x
    x = 56,445,216,174.29/271,487.61
  6. Step 6: Final answer
    x = 207,910.84

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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.