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Finding the Fourth Proportional to 188,466.92, 259,997.64 and 115,803.84

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Solution

The fourth proportional to 188,466.92, 259,997.64 and 115,803.84 is: 159,756.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,466.92 : 259,997.64 = 115,803.84 : x
  2. Step 2: Convert to fraction form
    188,466.92/259,997.64 = 115,803.84/x
  3. Step 3: Cross multiply
    188,466.92x = 259,997.64 × 115,803.84
  4. Step 4: Simplify right side
    188,466.92x = 30,108,725,102.94
  5. Step 5: Solve for x
    x = 30,108,725,102.94/188,466.92
  6. Step 6: Final answer
    x = 159,756.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.