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Finding the Fourth Proportional to 188,252.94, 259,790.88 and 103,371.83

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Solution

The fourth proportional to 188,252.94, 259,790.88 and 103,371.83 is: 142,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,252.94 : 259,790.88 = 103,371.83 : x
  2. Step 2: Convert to fraction form
    188,252.94/259,790.88 = 103,371.83/x
  3. Step 3: Cross multiply
    188,252.94x = 259,790.88 × 103,371.83
  4. Step 4: Simplify right side
    188,252.94x = 26,855,056,867.10
  5. Step 5: Solve for x
    x = 26,855,056,867.10/188,252.94
  6. Step 6: Final answer
    x = 142,654.12

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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.