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Finding the Fourth Proportional to 172,950.30, 259,534.80 and 101,872.80

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Solution

The fourth proportional to 172,950.30, 259,534.80 and 101,872.80 is: 152,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,950.30 : 259,534.80 = 101,872.80 : x
  2. Step 2: Convert to fraction form
    172,950.30/259,534.80 = 101,872.80/x
  3. Step 3: Cross multiply
    172,950.30x = 259,534.80 × 101,872.80
  4. Step 4: Simplify right side
    172,950.30x = 26,439,536,773.44
  5. Step 5: Solve for x
    x = 26,439,536,773.44/172,950.30
  6. Step 6: Final answer
    x = 152,873.61

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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.