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Finding the Fourth Proportional to 168,697.89, 232,803.32 and 97,076.49

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Solution

The fourth proportional to 168,697.89, 232,803.32 and 97,076.49 is: 133,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,697.89 : 232,803.32 = 97,076.49 : x
  2. Step 2: Convert to fraction form
    168,697.89/232,803.32 = 97,076.49/x
  3. Step 3: Cross multiply
    168,697.89x = 232,803.32 × 97,076.49
  4. Step 4: Simplify right side
    168,697.89x = 22,599,728,680.56
  5. Step 5: Solve for x
    x = 22,599,728,680.56/168,697.89
  6. Step 6: Final answer
    x = 133,965.69

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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.