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Finding the Fourth Proportional to 92,794.82, 139,192.20 and 33,630.38

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Solution

The fourth proportional to 92,794.82, 139,192.20 and 33,630.38 is: 50,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,794.82 : 139,192.20 = 33,630.38 : x
  2. Step 2: Convert to fraction form
    92,794.82/139,192.20 = 33,630.38/x
  3. Step 3: Cross multiply
    92,794.82x = 139,192.20 × 33,630.38
  4. Step 4: Simplify right side
    92,794.82x = 4,681,086,579.04
  5. Step 5: Solve for x
    x = 4,681,086,579.04/92,794.82
  6. Step 6: Final answer
    x = 50,445.56

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1.5x scale

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.