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Finding the Fourth Proportional to 179,806.97, 248,133.44 and 99,234.54

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Solution

The fourth proportional to 179,806.97, 248,133.44 and 99,234.54 is: 136,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,806.97 : 248,133.44 = 99,234.54 : x
  2. Step 2: Convert to fraction form
    179,806.97/248,133.44 = 99,234.54/x
  3. Step 3: Cross multiply
    179,806.97x = 248,133.44 × 99,234.54
  4. Step 4: Simplify right side
    179,806.97x = 24,623,408,025.10
  5. Step 5: Solve for x
    x = 24,623,408,025.10/179,806.97
  6. Step 6: Final answer
    x = 136,943.57

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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.