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Finding the Fourth Proportional to 165,642.67, 228,581.85 and 92,054.85

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Solution

The fourth proportional to 165,642.67, 228,581.85 and 92,054.85 is: 127,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,642.67 : 228,581.85 = 92,054.85 : x
  2. Step 2: Convert to fraction form
    165,642.67/228,581.85 = 92,054.85/x
  3. Step 3: Cross multiply
    165,642.67x = 228,581.85 × 92,054.85
  4. Step 4: Simplify right side
    165,642.67x = 21,042,067,914.47
  5. Step 5: Solve for x
    x = 21,042,067,914.47/165,642.67
  6. Step 6: Final answer
    x = 127,032.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.