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Finding the Fourth Proportional to 172,717.84, 259,076.76 and 98,794

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Solution

The fourth proportional to 172,717.84, 259,076.76 and 98,794 is: 148,191.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,717.84 : 259,076.76 = 98,794 : x
  2. Step 2: Convert to fraction form
    172,717.84/259,076.76 = 98,794/x
  3. Step 3: Cross multiply
    172,717.84x = 259,076.76 × 98,794
  4. Step 4: Simplify right side
    172,717.84x = 25,595,229,427.44
  5. Step 5: Solve for x
    x = 25,595,229,427.44/172,717.84
  6. Step 6: Final answer
    x = 148,191.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.