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Finding the Fourth Proportional to 74,906.70, 112,375.65 and 25,002.30

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Solution

The fourth proportional to 74,906.70, 112,375.65 and 25,002.30 is: 37,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,906.70 : 112,375.65 = 25,002.30 : x
  2. Step 2: Convert to fraction form
    74,906.70/112,375.65 = 25,002.30/x
  3. Step 3: Cross multiply
    74,906.70x = 112,375.65 × 25,002.30
  4. Step 4: Simplify right side
    74,906.70x = 2,809,649,714.00
  5. Step 5: Solve for x
    x = 2,809,649,714.00/74,906.70
  6. Step 6: Final answer
    x = 37,508.66

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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.