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Finding the Fourth Proportional to 137,201.72, 205,662.26 and 92,833.16

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Solution

The fourth proportional to 137,201.72, 205,662.26 and 92,833.16 is: 139,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,201.72 : 205,662.26 = 92,833.16 : x
  2. Step 2: Convert to fraction form
    137,201.72/205,662.26 = 92,833.16/x
  3. Step 3: Cross multiply
    137,201.72x = 205,662.26 × 92,833.16
  4. Step 4: Simplify right side
    137,201.72x = 19,092,277,488.54
  5. Step 5: Solve for x
    x = 19,092,277,488.54/137,201.72
  6. Step 6: Final answer
    x = 139,154.80

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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.