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Finding the Fourth Proportional to 92,736.97, 139,119.32 and 33,586.45

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Solution

The fourth proportional to 92,736.97, 139,119.32 and 33,586.45 is: 50,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,736.97 : 139,119.32 = 33,586.45 : x
  2. Step 2: Convert to fraction form
    92,736.97/139,119.32 = 33,586.45/x
  3. Step 3: Cross multiply
    92,736.97x = 139,119.32 × 33,586.45
  4. Step 4: Simplify right side
    92,736.97x = 4,672,523,821.38
  5. Step 5: Solve for x
    x = 4,672,523,821.38/92,736.97
  6. Step 6: Final answer
    x = 50,384.69

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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.