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Finding the Fourth Proportional to 188,344.62, 259,917.51 and 102,304.40

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Solution

The fourth proportional to 188,344.62, 259,917.51 and 102,304.40 is: 141,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,344.62 : 259,917.51 = 102,304.40 : x
  2. Step 2: Convert to fraction form
    188,344.62/259,917.51 = 102,304.40/x
  3. Step 3: Cross multiply
    188,344.62x = 259,917.51 × 102,304.40
  4. Step 4: Simplify right side
    188,344.62x = 26,590,703,610.46
  5. Step 5: Solve for x
    x = 26,590,703,610.46/188,344.62
  6. Step 6: Final answer
    x = 141,181.12

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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.