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Finding the Fourth Proportional to 173,317.35, 259,975.32 and 54,997.90

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Solution

The fourth proportional to 173,317.35, 259,975.32 and 54,997.90 is: 82,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,317.35 : 259,975.32 = 54,997.90 : x
  2. Step 2: Convert to fraction form
    173,317.35/259,975.32 = 54,997.90/x
  3. Step 3: Cross multiply
    173,317.35x = 259,975.32 × 54,997.90
  4. Step 4: Simplify right side
    173,317.35x = 14,298,096,651.83
  5. Step 5: Solve for x
    x = 14,298,096,651.83/173,317.35
  6. Step 6: Final answer
    x = 82,496.63

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1.5x scale

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.