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Finding the Fourth Proportional to 173,468.32, 258,736.78 and 168,218.08

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Solution

The fourth proportional to 173,468.32, 258,736.78 and 168,218.08 is: 250,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,468.32 : 258,736.78 = 168,218.08 : x
  2. Step 2: Convert to fraction form
    173,468.32/258,736.78 = 168,218.08/x
  3. Step 3: Cross multiply
    173,468.32x = 258,736.78 × 168,218.08
  4. Step 4: Simplify right side
    173,468.32x = 43,524,204,356.98
  5. Step 5: Solve for x
    x = 43,524,204,356.98/173,468.32
  6. Step 6: Final answer
    x = 250,905.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.