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Finding the Fourth Proportional to 117,428.98, 176,152.96 and 33,189.82

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Solution

The fourth proportional to 117,428.98, 176,152.96 and 33,189.82 is: 49,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,428.98 : 176,152.96 = 33,189.82 : x
  2. Step 2: Convert to fraction form
    117,428.98/176,152.96 = 33,189.82/x
  3. Step 3: Cross multiply
    117,428.98x = 176,152.96 × 33,189.82
  4. Step 4: Simplify right side
    117,428.98x = 5,846,485,034.87
  5. Step 5: Solve for x
    x = 5,846,485,034.87/117,428.98
  6. Step 6: Final answer
    x = 49,787.41

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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.