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Finding the Fourth Proportional to 92,246.98, 138,370.63 and 25,687.10

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Solution

The fourth proportional to 92,246.98, 138,370.63 and 25,687.10 is: 38,530.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,246.98 : 138,370.63 = 25,687.10 : x
  2. Step 2: Convert to fraction form
    92,246.98/138,370.63 = 25,687.10/x
  3. Step 3: Cross multiply
    92,246.98x = 138,370.63 × 25,687.10
  4. Step 4: Simplify right side
    92,246.98x = 3,554,340,150.58
  5. Step 5: Solve for x
    x = 3,554,340,150.58/92,246.98
  6. Step 6: Final answer
    x = 38,530.70

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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.