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Finding the Fourth Proportional to 188,239.43, 259,763.30 and 116,617.91

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Solution

The fourth proportional to 188,239.43, 259,763.30 and 116,617.91 is: 160,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,239.43 : 259,763.30 = 116,617.91 : x
  2. Step 2: Convert to fraction form
    188,239.43/259,763.30 = 116,617.91/x
  3. Step 3: Cross multiply
    188,239.43x = 259,763.30 × 116,617.91
  4. Step 4: Simplify right side
    188,239.43x = 30,293,051,258.80
  5. Step 5: Solve for x
    x = 30,293,051,258.80/188,239.43
  6. Step 6: Final answer
    x = 160,928.30

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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.