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Finding the Fourth Proportional to 188,335.33, 259,897.61 and 103,452.39

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Solution

The fourth proportional to 188,335.33, 259,897.61 and 103,452.39 is: 142,761.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,335.33 : 259,897.61 = 103,452.39 : x
  2. Step 2: Convert to fraction form
    188,335.33/259,897.61 = 103,452.39/x
  3. Step 3: Cross multiply
    188,335.33x = 259,897.61 × 103,452.39
  4. Step 4: Simplify right side
    188,335.33x = 26,887,029,168.42
  5. Step 5: Solve for x
    x = 26,887,029,168.42/188,335.33
  6. Step 6: Final answer
    x = 142,761.48

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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.