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Finding the Fourth Proportional to 271,986.62, 375,334.10 and 151,124.79

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Solution

The fourth proportional to 271,986.62, 375,334.10 and 151,124.79 is: 208,548.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,986.62 : 375,334.10 = 151,124.79 : x
  2. Step 2: Convert to fraction form
    271,986.62/375,334.10 = 151,124.79/x
  3. Step 3: Cross multiply
    271,986.62x = 375,334.10 × 151,124.79
  4. Step 4: Simplify right side
    271,986.62x = 56,722,288,418.58
  5. Step 5: Solve for x
    x = 56,722,288,418.58/271,986.62
  6. Step 6: Final answer
    x = 208,548.09

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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.