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Finding the Fourth Proportional to 92,894.43, 128,190.01 and 52,608.48

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Solution

The fourth proportional to 92,894.43, 128,190.01 and 52,608.48 is: 72,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,894.43 : 128,190.01 = 52,608.48 : x
  2. Step 2: Convert to fraction form
    92,894.43/128,190.01 = 52,608.48/x
  3. Step 3: Cross multiply
    92,894.43x = 128,190.01 × 52,608.48
  4. Step 4: Simplify right side
    92,894.43x = 6,743,880,936.33
  5. Step 5: Solve for x
    x = 6,743,880,936.33/92,894.43
  6. Step 6: Final answer
    x = 72,597.26

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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.