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Finding the Fourth Proportional to 188,004.16, 281,940.54 and 75,655.23

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Solution

The fourth proportional to 188,004.16, 281,940.54 and 75,655.23 is: 113,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,004.16 : 281,940.54 = 75,655.23 : x
  2. Step 2: Convert to fraction form
    188,004.16/281,940.54 = 75,655.23/x
  3. Step 3: Cross multiply
    188,004.16x = 281,940.54 × 75,655.23
  4. Step 4: Simplify right side
    188,004.16x = 21,330,276,400.02
  5. Step 5: Solve for x
    x = 21,330,276,400.02/188,004.16
  6. Step 6: Final answer
    x = 113,456.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.