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Finding the Fourth Proportional to 117,239.06, 175,858.68 and 28,491.97

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Solution

The fourth proportional to 117,239.06, 175,858.68 and 28,491.97 is: 42,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,239.06 : 175,858.68 = 28,491.97 : x
  2. Step 2: Convert to fraction form
    117,239.06/175,858.68 = 28,491.97/x
  3. Step 3: Cross multiply
    117,239.06x = 175,858.68 × 28,491.97
  4. Step 4: Simplify right side
    117,239.06x = 5,010,560,234.80
  5. Step 5: Solve for x
    x = 5,010,560,234.80/117,239.06
  6. Step 6: Final answer
    x = 42,737.98

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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.