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Finding the Fourth Proportional to 271,639.59, 374,822.67 and 150,781.80

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Solution

The fourth proportional to 271,639.59, 374,822.67 and 150,781.80 is: 208,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,639.59 : 374,822.67 = 150,781.80 : x
  2. Step 2: Convert to fraction form
    271,639.59/374,822.67 = 150,781.80/x
  3. Step 3: Cross multiply
    271,639.59x = 374,822.67 × 150,781.80
  4. Step 4: Simplify right side
    271,639.59x = 56,516,436,863.41
  5. Step 5: Solve for x
    x = 56,516,436,863.41/271,639.59
  6. Step 6: Final answer
    x = 208,056.70

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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.