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Finding the Fourth Proportional to 173,174.52, 259,684.02 and 79,707

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Solution

The fourth proportional to 173,174.52, 259,684.02 and 79,707 is: 119,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,174.52 : 259,684.02 = 79,707 : x
  2. Step 2: Convert to fraction form
    173,174.52/259,684.02 = 79,707/x
  3. Step 3: Cross multiply
    173,174.52x = 259,684.02 × 79,707
  4. Step 4: Simplify right side
    173,174.52x = 20,698,634,182.14
  5. Step 5: Solve for x
    x = 20,698,634,182.14/173,174.52
  6. Step 6: Final answer
    x = 119,524.71

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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.