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Finding the Fourth Proportional to 117,412.38, 176,125.90 and 33,179

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Solution

The fourth proportional to 117,412.38, 176,125.90 and 33,179 is: 49,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,412.38 : 176,125.90 = 33,179 : x
  2. Step 2: Convert to fraction form
    117,412.38/176,125.90 = 33,179/x
  3. Step 3: Cross multiply
    117,412.38x = 176,125.90 × 33,179
  4. Step 4: Simplify right side
    117,412.38x = 5,843,681,236.10
  5. Step 5: Solve for x
    x = 5,843,681,236.10/117,412.38
  6. Step 6: Final answer
    x = 49,770.57

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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.