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Finding the Fourth Proportional to 188,090.93, 259,569.99 and 107,525.97

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Solution

The fourth proportional to 188,090.93, 259,569.99 and 107,525.97 is: 148,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,090.93 : 259,569.99 = 107,525.97 : x
  2. Step 2: Convert to fraction form
    188,090.93/259,569.99 = 107,525.97/x
  3. Step 3: Cross multiply
    188,090.93x = 259,569.99 × 107,525.97
  4. Step 4: Simplify right side
    188,090.93x = 27,910,514,957.64
  5. Step 5: Solve for x
    x = 27,910,514,957.64/188,090.93
  6. Step 6: Final answer
    x = 148,388.41

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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.