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Finding the Fourth Proportional to 116,544.61, 174,790.89 and 45,469.14

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Solution

The fourth proportional to 116,544.61, 174,790.89 and 45,469.14 is: 68,193.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,544.61 : 174,790.89 = 45,469.14 : x
  2. Step 2: Convert to fraction form
    116,544.61/174,790.89 = 45,469.14/x
  3. Step 3: Cross multiply
    116,544.61x = 174,790.89 × 45,469.14
  4. Step 4: Simplify right side
    116,544.61x = 7,947,591,448.13
  5. Step 5: Solve for x
    x = 7,947,591,448.13/116,544.61
  6. Step 6: Final answer
    x = 68,193.56

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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.