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Finding the Fourth Proportional to 114,469.81, 171,649.40 and 39,563.71

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Solution

The fourth proportional to 114,469.81, 171,649.40 and 39,563.71 is: 59,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,469.81 : 171,649.40 = 39,563.71 : x
  2. Step 2: Convert to fraction form
    114,469.81/171,649.40 = 39,563.71/x
  3. Step 3: Cross multiply
    114,469.81x = 171,649.40 × 39,563.71
  4. Step 4: Simplify right side
    114,469.81x = 6,791,086,456.33
  5. Step 5: Solve for x
    x = 6,791,086,456.33/114,469.81
  6. Step 6: Final answer
    x = 59,326.44

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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.