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Finding the Fourth Proportional to 173,257.99, 259,419.72 and 113,137.54

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Solution

The fourth proportional to 173,257.99, 259,419.72 and 113,137.54 is: 169,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,257.99 : 259,419.72 = 113,137.54 : x
  2. Step 2: Convert to fraction form
    173,257.99/259,419.72 = 113,137.54/x
  3. Step 3: Cross multiply
    173,257.99x = 259,419.72 × 113,137.54
  4. Step 4: Simplify right side
    173,257.99x = 29,350,108,948.29
  5. Step 5: Solve for x
    x = 29,350,108,948.29/173,257.99
  6. Step 6: Final answer
    x = 169,401.19

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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.