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Finding the Fourth Proportional to 92,480.60, 138,636 and 33,301.91

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Solution

The fourth proportional to 92,480.60, 138,636 and 33,301.91 is: 49,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,480.60 : 138,636 = 33,301.91 : x
  2. Step 2: Convert to fraction form
    92,480.60/138,636 = 33,301.91/x
  3. Step 3: Cross multiply
    92,480.60x = 138,636 × 33,301.91
  4. Step 4: Simplify right side
    92,480.60x = 4,616,842,901.58
  5. Step 5: Solve for x
    x = 4,616,842,901.58/92,480.60
  6. Step 6: Final answer
    x = 49,922.29

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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.