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Finding the Fourth Proportional to 318,163.75, 439,054.75 and 174,922.69

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Solution

The fourth proportional to 318,163.75, 439,054.75 and 174,922.69 is: 241,387.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,163.75 : 439,054.75 = 174,922.69 : x
  2. Step 2: Convert to fraction form
    318,163.75/439,054.75 = 174,922.69/x
  3. Step 3: Cross multiply
    318,163.75x = 439,054.75 × 174,922.69
  4. Step 4: Simplify right side
    318,163.75x = 76,800,638,363.49
  5. Step 5: Solve for x
    x = 76,800,638,363.49/318,163.75
  6. Step 6: Final answer
    x = 241,387.14

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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.