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Finding the Fourth Proportional to 172,736.08, 259,051.80 and 60,395.37

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Solution

The fourth proportional to 172,736.08, 259,051.80 and 60,395.37 is: 90,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,736.08 : 259,051.80 = 60,395.37 : x
  2. Step 2: Convert to fraction form
    172,736.08/259,051.80 = 60,395.37/x
  3. Step 3: Cross multiply
    172,736.08x = 259,051.80 × 60,395.37
  4. Step 4: Simplify right side
    172,736.08x = 15,645,529,310.17
  5. Step 5: Solve for x
    x = 15,645,529,310.17/172,736.08
  6. Step 6: Final answer
    x = 90,574.76

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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.