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Finding the Fourth Proportional to 172,796.96, 259,230.72 and 97,950.54

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Solution

The fourth proportional to 172,796.96, 259,230.72 and 97,950.54 is: 146,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,796.96 : 259,230.72 = 97,950.54 : x
  2. Step 2: Convert to fraction form
    172,796.96/259,230.72 = 97,950.54/x
  3. Step 3: Cross multiply
    172,796.96x = 259,230.72 × 97,950.54
  4. Step 4: Simplify right side
    172,796.96x = 25,391,789,008.59
  5. Step 5: Solve for x
    x = 25,391,789,008.59/172,796.96
  6. Step 6: Final answer
    x = 146,945.81

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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.