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Finding the Fourth Proportional to 188,239.04, 259,891.44 and 116,695.52

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Solution

The fourth proportional to 188,239.04, 259,891.44 and 116,695.52 is: 161,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,239.04 : 259,891.44 = 116,695.52 : x
  2. Step 2: Convert to fraction form
    188,239.04/259,891.44 = 116,695.52/x
  3. Step 3: Cross multiply
    188,239.04x = 259,891.44 × 116,695.52
  4. Step 4: Simplify right side
    188,239.04x = 30,328,166,734.35
  5. Step 5: Solve for x
    x = 30,328,166,734.35/188,239.04
  6. Step 6: Final answer
    x = 161,115.18

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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.