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Finding the Fourth Proportional to 188,463.42, 259,992.82 and 115,800.35

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Solution

The fourth proportional to 188,463.42, 259,992.82 and 115,800.35 is: 159,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,463.42 : 259,992.82 = 115,800.35 : x
  2. Step 2: Convert to fraction form
    188,463.42/259,992.82 = 115,800.35/x
  3. Step 3: Cross multiply
    188,463.42x = 259,992.82 × 115,800.35
  4. Step 4: Simplify right side
    188,463.42x = 30,107,257,674.52
  5. Step 5: Solve for x
    x = 30,107,257,674.52/188,463.42
  6. Step 6: Final answer
    x = 159,751.20

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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.