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Finding the Fourth Proportional to 188,334.54, 259,793.19 and 112,839.30

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Solution

The fourth proportional to 188,334.54, 259,793.19 and 112,839.30 is: 155,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,334.54 : 259,793.19 = 112,839.30 : x
  2. Step 2: Convert to fraction form
    188,334.54/259,793.19 = 112,839.30/x
  3. Step 3: Cross multiply
    188,334.54x = 259,793.19 × 112,839.30
  4. Step 4: Simplify right side
    188,334.54x = 29,314,881,704.37
  5. Step 5: Solve for x
    x = 29,314,881,704.37/188,334.54
  6. Step 6: Final answer
    x = 155,653.24

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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.