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Finding the Fourth Proportional to 171,709.88, 236,959.63 and 96,258.38

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Solution

The fourth proportional to 171,709.88, 236,959.63 and 96,258.38 is: 132,836.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,709.88 : 236,959.63 = 96,258.38 : x
  2. Step 2: Convert to fraction form
    171,709.88/236,959.63 = 96,258.38/x
  3. Step 3: Cross multiply
    171,709.88x = 236,959.63 × 96,258.38
  4. Step 4: Simplify right side
    171,709.88x = 22,809,348,683.76
  5. Step 5: Solve for x
    x = 22,809,348,683.76/171,709.88
  6. Step 6: Final answer
    x = 132,836.56

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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.