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Finding the Fourth Proportional to 114,130.62, 171,103.17 and 47,620.29

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Solution

The fourth proportional to 114,130.62, 171,103.17 and 47,620.29 is: 71,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,130.62 : 171,103.17 = 47,620.29 : x
  2. Step 2: Convert to fraction form
    114,130.62/171,103.17 = 47,620.29/x
  3. Step 3: Cross multiply
    114,130.62x = 171,103.17 × 47,620.29
  4. Step 4: Simplify right side
    114,130.62x = 8,147,982,575.32
  5. Step 5: Solve for x
    x = 8,147,982,575.32/114,130.62
  6. Step 6: Final answer
    x = 71,391.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.