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Finding the Fourth Proportional to 188,901.82, 260,696.37 and 104,018.88

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Solution

The fourth proportional to 188,901.82, 260,696.37 and 104,018.88 is: 143,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,901.82 : 260,696.37 = 104,018.88 : x
  2. Step 2: Convert to fraction form
    188,901.82/260,696.37 = 104,018.88/x
  3. Step 3: Cross multiply
    188,901.82x = 260,696.37 × 104,018.88
  4. Step 4: Simplify right side
    188,901.82x = 27,117,345,795.15
  5. Step 5: Solve for x
    x = 27,117,345,795.15/188,901.82
  6. Step 6: Final answer
    x = 143,552.59

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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.