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Finding the Fourth Proportional to 188,833.72, 260,590.52 and 102,793.04

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Solution

The fourth proportional to 188,833.72, 260,590.52 and 102,793.04 is: 141,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,833.72 : 260,590.52 = 102,793.04 : x
  2. Step 2: Convert to fraction form
    188,833.72/260,590.52 = 102,793.04/x
  3. Step 3: Cross multiply
    188,833.72x = 260,590.52 × 102,793.04
  4. Step 4: Simplify right side
    188,833.72x = 26,786,891,745.98
  5. Step 5: Solve for x
    x = 26,786,891,745.98/188,833.72
  6. Step 6: Final answer
    x = 141,854.39

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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.