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Finding the Fourth Proportional to 114,040.08, 171,067.14 and 43,919.46

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Solution

The fourth proportional to 114,040.08, 171,067.14 and 43,919.46 is: 65,881.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,040.08 : 171,067.14 = 43,919.46 : x
  2. Step 2: Convert to fraction form
    114,040.08/171,067.14 = 43,919.46/x
  3. Step 3: Cross multiply
    114,040.08x = 171,067.14 × 43,919.46
  4. Step 4: Simplify right side
    114,040.08x = 7,513,176,412.54
  5. Step 5: Solve for x
    x = 7,513,176,412.54/114,040.08
  6. Step 6: Final answer
    x = 65,881.89

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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.