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Finding the Fourth Proportional to 118,906.59, 178,308.03 and 44,982.75

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Solution

The fourth proportional to 118,906.59, 178,308.03 and 44,982.75 is: 67,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,906.59 : 178,308.03 = 44,982.75 : x
  2. Step 2: Convert to fraction form
    118,906.59/178,308.03 = 44,982.75/x
  3. Step 3: Cross multiply
    118,906.59x = 178,308.03 × 44,982.75
  4. Step 4: Simplify right side
    118,906.59x = 8,020,785,536.48
  5. Step 5: Solve for x
    x = 8,020,785,536.48/118,906.59
  6. Step 6: Final answer
    x = 67,454.51

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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.