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Finding the Fourth Proportional to 173,370.99, 260,131.62 and 61,131.39

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Solution

The fourth proportional to 173,370.99, 260,131.62 and 61,131.39 is: 91,723.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,370.99 : 260,131.62 = 61,131.39 : x
  2. Step 2: Convert to fraction form
    173,370.99/260,131.62 = 61,131.39/x
  3. Step 3: Cross multiply
    173,370.99x = 260,131.62 × 61,131.39
  4. Step 4: Simplify right side
    173,370.99x = 15,902,207,513.55
  5. Step 5: Solve for x
    x = 15,902,207,513.55/173,370.99
  6. Step 6: Final answer
    x = 91,723.58

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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.