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Finding the Fourth Proportional to 92,197.97, 138,226.32 and 28,981.52

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Solution

The fourth proportional to 92,197.97, 138,226.32 and 28,981.52 is: 43,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,197.97 : 138,226.32 = 28,981.52 : x
  2. Step 2: Convert to fraction form
    92,197.97/138,226.32 = 28,981.52/x
  3. Step 3: Cross multiply
    92,197.97x = 138,226.32 × 28,981.52
  4. Step 4: Simplify right side
    92,197.97x = 4,006,008,238.93
  5. Step 5: Solve for x
    x = 4,006,008,238.93/92,197.97
  6. Step 6: Final answer
    x = 43,450.07

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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.