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Finding the Fourth Proportional to 92,521.73, 138,782.60 and 25,967.68

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Solution

The fourth proportional to 92,521.73, 138,782.60 and 25,967.68 is: 38,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,521.73 : 138,782.60 = 25,967.68 : x
  2. Step 2: Convert to fraction form
    92,521.73/138,782.60 = 25,967.68/x
  3. Step 3: Cross multiply
    92,521.73x = 138,782.60 × 25,967.68
  4. Step 4: Simplify right side
    92,521.73x = 3,603,862,146.37
  5. Step 5: Solve for x
    x = 3,603,862,146.37/92,521.73
  6. Step 6: Final answer
    x = 38,951.52

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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.