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Finding the Fourth Proportional to 92,661.77, 138,992.66 and 22,540.48

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Solution

The fourth proportional to 92,661.77, 138,992.66 and 22,540.48 is: 33,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,661.77 : 138,992.66 = 22,540.48 : x
  2. Step 2: Convert to fraction form
    92,661.77/138,992.66 = 22,540.48/x
  3. Step 3: Cross multiply
    92,661.77x = 138,992.66 × 22,540.48
  4. Step 4: Simplify right side
    92,661.77x = 3,132,960,897.22
  5. Step 5: Solve for x
    x = 3,132,960,897.22/92,661.77
  6. Step 6: Final answer
    x = 33,810.72

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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.