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Finding the Fourth Proportional to 172,896.66, 259,315.83 and 48,208.50

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Solution

The fourth proportional to 172,896.66, 259,315.83 and 48,208.50 is: 72,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,896.66 : 259,315.83 = 48,208.50 : x
  2. Step 2: Convert to fraction form
    172,896.66/259,315.83 = 48,208.50/x
  3. Step 3: Cross multiply
    172,896.66x = 259,315.83 × 48,208.50
  4. Step 4: Simplify right side
    172,896.66x = 12,501,227,190.56
  5. Step 5: Solve for x
    x = 12,501,227,190.56/172,896.66
  6. Step 6: Final answer
    x = 72,304.62

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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.