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Finding the Fourth Proportional to 173,090.85, 259,538.88 and 119,118.93

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Solution

The fourth proportional to 173,090.85, 259,538.88 and 119,118.93 is: 178,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,090.85 : 259,538.88 = 119,118.93 : x
  2. Step 2: Convert to fraction form
    173,090.85/259,538.88 = 119,118.93/x
  3. Step 3: Cross multiply
    173,090.85x = 259,538.88 × 119,118.93
  4. Step 4: Simplify right side
    173,090.85x = 30,915,993,882.38
  5. Step 5: Solve for x
    x = 30,915,993,882.38/173,090.85
  6. Step 6: Final answer
    x = 178,611.37

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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.