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Finding the Fourth Proportional to 92,510.86, 138,766.97 and 22,390.17

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Solution

The fourth proportional to 92,510.86, 138,766.97 and 22,390.17 is: 33,585.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,510.86 : 138,766.97 = 22,390.17 : x
  2. Step 2: Convert to fraction form
    92,510.86/138,766.97 = 22,390.17/x
  3. Step 3: Cross multiply
    92,510.86x = 138,766.97 × 22,390.17
  4. Step 4: Simplify right side
    92,510.86x = 3,107,016,364.85
  5. Step 5: Solve for x
    x = 3,107,016,364.85/92,510.86
  6. Step 6: Final answer
    x = 33,585.42

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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.