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Finding the Fourth Proportional to 117,420.59, 176,140.40 and 33,181.44

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Solution

The fourth proportional to 117,420.59, 176,140.40 and 33,181.44 is: 49,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,420.59 : 176,140.40 = 33,181.44 : x
  2. Step 2: Convert to fraction form
    117,420.59/176,140.40 = 33,181.44/x
  3. Step 3: Cross multiply
    117,420.59x = 176,140.40 × 33,181.44
  4. Step 4: Simplify right side
    117,420.59x = 5,844,591,948.27
  5. Step 5: Solve for x
    x = 5,844,591,948.27/117,420.59
  6. Step 6: Final answer
    x = 49,774.85

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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.