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Finding the Fourth Proportional to 175,991.78, 242,850.44 and 108,011.63

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Solution

The fourth proportional to 175,991.78, 242,850.44 and 108,011.63 is: 149,044.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,991.78 : 242,850.44 = 108,011.63 : x
  2. Step 2: Convert to fraction form
    175,991.78/242,850.44 = 108,011.63/x
  3. Step 3: Cross multiply
    175,991.78x = 242,850.44 × 108,011.63
  4. Step 4: Simplify right side
    175,991.78x = 26,230,670,116.31
  5. Step 5: Solve for x
    x = 26,230,670,116.31/175,991.78
  6. Step 6: Final answer
    x = 149,044.86

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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.