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Finding the Fourth Proportional to 84,333.69, 126,532.53 and 25,169.67

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Solution

The fourth proportional to 84,333.69, 126,532.53 and 25,169.67 is: 37,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,333.69 : 126,532.53 = 25,169.67 : x
  2. Step 2: Convert to fraction form
    84,333.69/126,532.53 = 25,169.67/x
  3. Step 3: Cross multiply
    84,333.69x = 126,532.53 × 25,169.67
  4. Step 4: Simplify right side
    84,333.69x = 3,184,782,024.37
  5. Step 5: Solve for x
    x = 3,184,782,024.37/84,333.69
  6. Step 6: Final answer
    x = 37,764.05

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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.