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Finding the Fourth Proportional to 271,504.68, 374,671.64 and 150,643.86

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Solution

The fourth proportional to 271,504.68, 374,671.64 and 150,643.86 is: 207,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,504.68 : 374,671.64 = 150,643.86 : x
  2. Step 2: Convert to fraction form
    271,504.68/374,671.64 = 150,643.86/x
  3. Step 3: Cross multiply
    271,504.68x = 374,671.64 × 150,643.86
  4. Step 4: Simplify right side
    271,504.68x = 56,441,981,328.91
  5. Step 5: Solve for x
    x = 56,441,981,328.91/271,504.68
  6. Step 6: Final answer
    x = 207,885.85

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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.