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Finding the Fourth Proportional to 171,688.52, 236,929.78 and 95,205.71

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Solution

The fourth proportional to 171,688.52, 236,929.78 and 95,205.71 is: 131,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,688.52 : 236,929.78 = 95,205.71 : x
  2. Step 2: Convert to fraction form
    171,688.52/236,929.78 = 95,205.71/x
  3. Step 3: Cross multiply
    171,688.52x = 236,929.78 × 95,205.71
  4. Step 4: Simplify right side
    171,688.52x = 22,557,068,279.35
  5. Step 5: Solve for x
    x = 22,557,068,279.35/171,688.52
  6. Step 6: Final answer
    x = 131,383.68

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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.