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Finding the Fourth Proportional to 92,629, 138,943.50 and 22,508.52

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Solution

The fourth proportional to 92,629, 138,943.50 and 22,508.52 is: 33,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,629 : 138,943.50 = 22,508.52 : x
  2. Step 2: Convert to fraction form
    92,629/138,943.50 = 22,508.52/x
  3. Step 3: Cross multiply
    92,629x = 138,943.50 × 22,508.52
  4. Step 4: Simplify right side
    92,629x = 3,127,412,548.62
  5. Step 5: Solve for x
    x = 3,127,412,548.62/92,629
  6. Step 6: Final answer
    x = 33,762.78

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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.