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Finding the Fourth Proportional to 163,258.66, 244,982.49 and 68,480.31

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Solution

The fourth proportional to 163,258.66, 244,982.49 and 68,480.31 is: 102,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,258.66 : 244,982.49 = 68,480.31 : x
  2. Step 2: Convert to fraction form
    163,258.66/244,982.49 = 68,480.31/x
  3. Step 3: Cross multiply
    163,258.66x = 244,982.49 × 68,480.31
  4. Step 4: Simplify right side
    163,258.66x = 16,776,476,859.77
  5. Step 5: Solve for x
    x = 16,776,476,859.77/163,258.66
  6. Step 6: Final answer
    x = 102,760.10

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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.