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Finding the Fourth Proportional to 173,212.74, 259,835.68 and 48,553.38

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Solution

The fourth proportional to 173,212.74, 259,835.68 and 48,553.38 is: 72,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,212.74 : 259,835.68 = 48,553.38 : x
  2. Step 2: Convert to fraction form
    173,212.74/259,835.68 = 48,553.38/x
  3. Step 3: Cross multiply
    173,212.74x = 259,835.68 × 48,553.38
  4. Step 4: Simplify right side
    173,212.74x = 12,615,900,508.60
  5. Step 5: Solve for x
    x = 12,615,900,508.60/173,212.74
  6. Step 6: Final answer
    x = 72,834.71

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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.