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Finding the Fourth Proportional to 172,773.30, 259,195.19 and 97,926.87

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Solution

The fourth proportional to 172,773.30, 259,195.19 and 97,926.87 is: 146,910.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,773.30 : 259,195.19 = 97,926.87 : x
  2. Step 2: Convert to fraction form
    172,773.30/259,195.19 = 97,926.87/x
  3. Step 3: Cross multiply
    172,773.30x = 259,195.19 × 97,926.87
  4. Step 4: Simplify right side
    172,773.30x = 25,382,174,708.94
  5. Step 5: Solve for x
    x = 25,382,174,708.94/172,773.30
  6. Step 6: Final answer
    x = 146,910.28

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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.