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Finding the Fourth Proportional to 92,323.62, 138,508.79 and 25,763.73

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Solution

The fourth proportional to 92,323.62, 138,508.79 and 25,763.73 is: 38,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,323.62 : 138,508.79 = 25,763.73 : x
  2. Step 2: Convert to fraction form
    92,323.62/138,508.79 = 25,763.73/x
  3. Step 3: Cross multiply
    92,323.62x = 138,508.79 × 25,763.73
  4. Step 4: Simplify right side
    92,323.62x = 3,568,502,939.37
  5. Step 5: Solve for x
    x = 3,568,502,939.37/92,323.62
  6. Step 6: Final answer
    x = 38,652.11

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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.