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Finding the Fourth Proportional to 74,256, 111,401.52 and 25,008

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Solution

The fourth proportional to 74,256, 111,401.52 and 25,008 is: 37,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,256 : 111,401.52 = 25,008 : x
  2. Step 2: Convert to fraction form
    74,256/111,401.52 = 25,008/x
  3. Step 3: Cross multiply
    74,256x = 111,401.52 × 25,008
  4. Step 4: Simplify right side
    74,256x = 2,785,929,212.16
  5. Step 5: Solve for x
    x = 2,785,929,212.16/74,256
  6. Step 6: Final answer
    x = 37,517.90

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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.