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Finding the Fourth Proportional to 169,690.58, 234,147.62 and 97,081.94

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Solution

The fourth proportional to 169,690.58, 234,147.62 and 97,081.94 is: 133,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,690.58 : 234,147.62 = 97,081.94 : x
  2. Step 2: Convert to fraction form
    169,690.58/234,147.62 = 97,081.94/x
  3. Step 3: Cross multiply
    169,690.58x = 234,147.62 × 97,081.94
  4. Step 4: Simplify right side
    169,690.58x = 22,731,505,790.15
  5. Step 5: Solve for x
    x = 22,731,505,790.15/169,690.58
  6. Step 6: Final answer
    x = 133,958.56

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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.