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Finding the Fourth Proportional to 118,850.90, 178,267.37 and 43,936.02

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Solution

The fourth proportional to 118,850.90, 178,267.37 and 43,936.02 is: 65,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,850.90 : 178,267.37 = 43,936.02 : x
  2. Step 2: Convert to fraction form
    118,850.90/178,267.37 = 43,936.02/x
  3. Step 3: Cross multiply
    118,850.90x = 178,267.37 × 43,936.02
  4. Step 4: Simplify right side
    118,850.90x = 7,832,358,513.99
  5. Step 5: Solve for x
    x = 7,832,358,513.99/118,850.90
  6. Step 6: Final answer
    x = 65,900.71

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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.