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Finding the Fourth Proportional to 79,176, 118,770.48 and 23,772

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Solution

The fourth proportional to 79,176, 118,770.48 and 23,772 is: 35,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,176 : 118,770.48 = 23,772 : x
  2. Step 2: Convert to fraction form
    79,176/118,770.48 = 23,772/x
  3. Step 3: Cross multiply
    79,176x = 118,770.48 × 23,772
  4. Step 4: Simplify right side
    79,176x = 2,823,411,850.56
  5. Step 5: Solve for x
    x = 2,823,411,850.56/79,176
  6. Step 6: Final answer
    x = 35,659.95

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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.