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Finding the Fourth Proportional to 92,670.63, 138,847.22 and 50,580.23

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Solution

The fourth proportional to 92,670.63, 138,847.22 and 50,580.23 is: 75,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,670.63 : 138,847.22 = 50,580.23 : x
  2. Step 2: Convert to fraction form
    92,670.63/138,847.22 = 50,580.23/x
  3. Step 3: Cross multiply
    92,670.63x = 138,847.22 × 50,580.23
  4. Step 4: Simplify right side
    92,670.63x = 7,022,923,628.22
  5. Step 5: Solve for x
    x = 7,022,923,628.22/92,670.63
  6. Step 6: Final answer
    x = 75,783.71

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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.