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Finding the Fourth Proportional to 118,891.56, 178,360.64 and 44,012.34

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Solution

The fourth proportional to 118,891.56, 178,360.64 and 44,012.34 is: 66,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,891.56 : 178,360.64 = 44,012.34 : x
  2. Step 2: Convert to fraction form
    118,891.56/178,360.64 = 44,012.34/x
  3. Step 3: Cross multiply
    118,891.56x = 178,360.64 × 44,012.34
  4. Step 4: Simplify right side
    118,891.56x = 7,850,068,910.24
  5. Step 5: Solve for x
    x = 7,850,068,910.24/118,891.56
  6. Step 6: Final answer
    x = 66,027.13

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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.