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Finding the Fourth Proportional to 79,074.84, 118,624.11 and 25,749.39

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Solution

The fourth proportional to 79,074.84, 118,624.11 and 25,749.39 is: 38,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,074.84 : 118,624.11 = 25,749.39 : x
  2. Step 2: Convert to fraction form
    79,074.84/118,624.11 = 25,749.39/x
  3. Step 3: Cross multiply
    79,074.84x = 118,624.11 × 25,749.39
  4. Step 4: Simplify right side
    79,074.84x = 3,054,498,471.79
  5. Step 5: Solve for x
    x = 3,054,498,471.79/79,074.84
  6. Step 6: Final answer
    x = 38,627.94

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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.