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Finding the Fourth Proportional to 92,182.79, 138,273.41 and 25,622.72

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Solution

The fourth proportional to 92,182.79, 138,273.41 and 25,622.72 is: 38,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,182.79 : 138,273.41 = 25,622.72 : x
  2. Step 2: Convert to fraction form
    92,182.79/138,273.41 = 25,622.72/x
  3. Step 3: Cross multiply
    92,182.79x = 138,273.41 × 25,622.72
  4. Step 4: Simplify right side
    92,182.79x = 3,542,941,085.45
  5. Step 5: Solve for x
    x = 3,542,941,085.45/92,182.79
  6. Step 6: Final answer
    x = 38,433.87

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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.