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Finding the Fourth Proportional to 254,104.93, 381,018.16 and 117,179.39

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Solution

The fourth proportional to 254,104.93, 381,018.16 and 117,179.39 is: 175,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,104.93 : 381,018.16 = 117,179.39 : x
  2. Step 2: Convert to fraction form
    254,104.93/381,018.16 = 117,179.39/x
  3. Step 3: Cross multiply
    254,104.93x = 381,018.16 × 117,179.39
  4. Step 4: Simplify right side
    254,104.93x = 44,647,476,666.74
  5. Step 5: Solve for x
    x = 44,647,476,666.74/254,104.93
  6. Step 6: Final answer
    x = 175,704.88

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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.