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Finding the Fourth Proportional to 271,917.60, 375,299.64 and 173,737.72

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Solution

The fourth proportional to 271,917.60, 375,299.64 and 173,737.72 is: 239,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,917.60 : 375,299.64 = 173,737.72 : x
  2. Step 2: Convert to fraction form
    271,917.60/375,299.64 = 173,737.72/x
  3. Step 3: Cross multiply
    271,917.60x = 375,299.64 × 173,737.72
  4. Step 4: Simplify right side
    271,917.60x = 65,203,703,770.42
  5. Step 5: Solve for x
    x = 65,203,703,770.42/271,917.60
  6. Step 6: Final answer
    x = 239,792.14

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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.