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Finding the Fourth Proportional to 172,723.42, 259,085.14 and 67,468.58

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Solution

The fourth proportional to 172,723.42, 259,085.14 and 67,468.58 is: 101,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,723.42 : 259,085.14 = 67,468.58 : x
  2. Step 2: Convert to fraction form
    172,723.42/259,085.14 = 67,468.58/x
  3. Step 3: Cross multiply
    172,723.42x = 259,085.14 × 67,468.58
  4. Step 4: Simplify right side
    172,723.42x = 17,480,106,157.56
  5. Step 5: Solve for x
    x = 17,480,106,157.56/172,723.42
  6. Step 6: Final answer
    x = 101,202.87

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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.