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Finding the Fourth Proportional to 188,393.34, 259,918.50 and 116,747.22

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Solution

The fourth proportional to 188,393.34, 259,918.50 and 116,747.22 is: 161,071.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,393.34 : 259,918.50 = 116,747.22 : x
  2. Step 2: Convert to fraction form
    188,393.34/259,918.50 = 116,747.22/x
  3. Step 3: Cross multiply
    188,393.34x = 259,918.50 × 116,747.22
  4. Step 4: Simplify right side
    188,393.34x = 30,344,761,764.68
  5. Step 5: Solve for x
    x = 30,344,761,764.68/188,393.34
  6. Step 6: Final answer
    x = 161,071.31

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1.5x scale

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.