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Finding the Fourth Proportional to 117,863.44, 176,513.75 and 67,838.39

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Solution

The fourth proportional to 117,863.44, 176,513.75 and 67,838.39 is: 101,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,863.44 : 176,513.75 = 67,838.39 : x
  2. Step 2: Convert to fraction form
    117,863.44/176,513.75 = 67,838.39/x
  3. Step 3: Cross multiply
    117,863.44x = 176,513.75 × 67,838.39
  4. Step 4: Simplify right side
    117,863.44x = 11,974,407,730.29
  5. Step 5: Solve for x
    x = 11,974,407,730.29/117,863.44
  6. Step 6: Final answer
    x = 101,595.61

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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.