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Finding the Fourth Proportional to 188,936.52, 260,728.47 and 102,896.44

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Solution

The fourth proportional to 188,936.52, 260,728.47 and 102,896.44 is: 141,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,936.52 : 260,728.47 = 102,896.44 : x
  2. Step 2: Convert to fraction form
    188,936.52/260,728.47 = 102,896.44/x
  3. Step 3: Cross multiply
    188,936.52x = 260,728.47 × 102,896.44
  4. Step 4: Simplify right side
    188,936.52x = 26,828,031,369.65
  5. Step 5: Solve for x
    x = 26,828,031,369.65/188,936.52
  6. Step 6: Final answer
    x = 141,994.95

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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.