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Finding the Fourth Proportional to 173,441.50, 259,955.16 and 89,242

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Solution

The fourth proportional to 173,441.50, 259,955.16 and 89,242 is: 133,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,441.50 : 259,955.16 = 89,242 : x
  2. Step 2: Convert to fraction form
    173,441.50/259,955.16 = 89,242/x
  3. Step 3: Cross multiply
    173,441.50x = 259,955.16 × 89,242
  4. Step 4: Simplify right side
    173,441.50x = 23,198,918,388.72
  5. Step 5: Solve for x
    x = 23,198,918,388.72/173,441.50
  6. Step 6: Final answer
    x = 133,756.44

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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.