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Finding the Fourth Proportional to 114,982.66, 172,404.87 and 43,910.02

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Solution

The fourth proportional to 114,982.66, 172,404.87 and 43,910.02 is: 65,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,982.66 : 172,404.87 = 43,910.02 : x
  2. Step 2: Convert to fraction form
    114,982.66/172,404.87 = 43,910.02/x
  3. Step 3: Cross multiply
    114,982.66x = 172,404.87 × 43,910.02
  4. Step 4: Simplify right side
    114,982.66x = 7,570,301,289.80
  5. Step 5: Solve for x
    x = 7,570,301,289.80/114,982.66
  6. Step 6: Final answer
    x = 65,838.63

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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.