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Finding the Fourth Proportional to 92,609.60, 138,898.22 and 26,033.92

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Solution

The fourth proportional to 92,609.60, 138,898.22 and 26,033.92 is: 39,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,609.60 : 138,898.22 = 26,033.92 : x
  2. Step 2: Convert to fraction form
    92,609.60/138,898.22 = 26,033.92/x
  3. Step 3: Cross multiply
    92,609.60x = 138,898.22 × 26,033.92
  4. Step 4: Simplify right side
    92,609.60x = 3,616,064,670.21
  5. Step 5: Solve for x
    x = 3,616,064,670.21/92,609.60
  6. Step 6: Final answer
    x = 39,046.33

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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.