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Finding the Fourth Proportional to 92,600.74, 127,781.44 and 52,318

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Solution

The fourth proportional to 92,600.74, 127,781.44 and 52,318 is: 72,194.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,600.74 : 127,781.44 = 52,318 : x
  2. Step 2: Convert to fraction form
    92,600.74/127,781.44 = 52,318/x
  3. Step 3: Cross multiply
    92,600.74x = 127,781.44 × 52,318
  4. Step 4: Simplify right side
    92,600.74x = 6,685,269,377.92
  5. Step 5: Solve for x
    x = 6,685,269,377.92/92,600.74
  6. Step 6: Final answer
    x = 72,194.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.