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Finding the Fourth Proportional to 92,674.85, 138,853.60 and 50,584.48

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Solution

The fourth proportional to 92,674.85, 138,853.60 and 50,584.48 is: 75,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,674.85 : 138,853.60 = 50,584.48 : x
  2. Step 2: Convert to fraction form
    92,674.85/138,853.60 = 50,584.48/x
  3. Step 3: Cross multiply
    92,674.85x = 138,853.60 × 50,584.48
  4. Step 4: Simplify right side
    92,674.85x = 7,023,836,678.53
  5. Step 5: Solve for x
    x = 7,023,836,678.53/92,674.85
  6. Step 6: Final answer
    x = 75,790.11

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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.