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Finding the Fourth Proportional to 173,131.05, 259,670.52 and 54,786.99

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Solution

The fourth proportional to 173,131.05, 259,670.52 and 54,786.99 is: 82,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,131.05 : 259,670.52 = 54,786.99 : x
  2. Step 2: Convert to fraction form
    173,131.05/259,670.52 = 54,786.99/x
  3. Step 3: Cross multiply
    173,131.05x = 259,670.52 × 54,786.99
  4. Step 4: Simplify right side
    173,131.05x = 14,226,566,182.53
  5. Step 5: Solve for x
    x = 14,226,566,182.53/173,131.05
  6. Step 6: Final answer
    x = 82,172.24

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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.