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Finding the Fourth Proportional to 168,362.88, 232,342.10 and 91,882.56

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Solution

The fourth proportional to 168,362.88, 232,342.10 and 91,882.56 is: 126,798.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,362.88 : 232,342.10 = 91,882.56 : x
  2. Step 2: Convert to fraction form
    168,362.88/232,342.10 = 91,882.56/x
  3. Step 3: Cross multiply
    168,362.88x = 232,342.10 × 91,882.56
  4. Step 4: Simplify right side
    168,362.88x = 21,348,186,943.78
  5. Step 5: Solve for x
    x = 21,348,186,943.78/168,362.88
  6. Step 6: Final answer
    x = 126,798.66

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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.