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Finding the Fourth Proportional to 92,491.14, 138,736.77 and 22,370.52

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Solution

The fourth proportional to 92,491.14, 138,736.77 and 22,370.52 is: 33,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,491.14 : 138,736.77 = 22,370.52 : x
  2. Step 2: Convert to fraction form
    92,491.14/138,736.77 = 22,370.52/x
  3. Step 3: Cross multiply
    92,491.14x = 138,736.77 × 22,370.52
  4. Step 4: Simplify right side
    92,491.14x = 3,103,613,688.02
  5. Step 5: Solve for x
    x = 3,103,613,688.02/92,491.14
  6. Step 6: Final answer
    x = 33,555.79

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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.