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Finding the Fourth Proportional to 271,836.09, 375,163.56 and 155,560.32

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Solution

The fourth proportional to 271,836.09, 375,163.56 and 155,560.32 is: 214,690.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,836.09 : 375,163.56 = 155,560.32 : x
  2. Step 2: Convert to fraction form
    271,836.09/375,163.56 = 155,560.32/x
  3. Step 3: Cross multiply
    271,836.09x = 375,163.56 × 155,560.32
  4. Step 4: Simplify right side
    271,836.09x = 58,360,563,445.94
  5. Step 5: Solve for x
    x = 58,360,563,445.94/271,836.09
  6. Step 6: Final answer
    x = 214,690.27

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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.