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Finding the Fourth Proportional to 79,148, 118,722 and 23,744

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Solution

The fourth proportional to 79,148, 118,722 and 23,744 is: 35,616

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,148 : 118,722 = 23,744 : x
  2. Step 2: Convert to fraction form
    79,148/118,722 = 23,744/x
  3. Step 3: Cross multiply
    79,148x = 118,722 × 23,744
  4. Step 4: Simplify right side
    79,148x = 2,818,935,168
  5. Step 5: Solve for x
    x = 2,818,935,168/79,148
  6. Step 6: Final answer
    x = 35,616

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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.