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Finding the Fourth Proportional to 185,067.96, 277,716.72 and 85,242.32

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Solution

The fourth proportional to 185,067.96, 277,716.72 and 85,242.32 is: 127,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,067.96 : 277,716.72 = 85,242.32 : x
  2. Step 2: Convert to fraction form
    185,067.96/277,716.72 = 85,242.32/x
  3. Step 3: Cross multiply
    185,067.96x = 277,716.72 × 85,242.32
  4. Step 4: Simplify right side
    185,067.96x = 23,673,217,515.59
  5. Step 5: Solve for x
    x = 23,673,217,515.59/185,067.96
  6. Step 6: Final answer
    x = 127,916.35

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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.