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Finding the Fourth Proportional to 73,743,693.80, 110,615,540.70 and 73,743,693.80

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Solution

The fourth proportional to 73,743,693.80, 110,615,540.70 and 73,743,693.80 is: 110,615,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,743,693.80 : 110,615,540.70 = 73,743,693.80 : x
  2. Step 2: Convert to fraction form
    73,743,693.80/110,615,540.70 = 73,743,693.80/x
  3. Step 3: Cross multiply
    73,743,693.80x = 110,615,540.70 × 73,743,693.80
  4. Step 4: Simplify right side
    73,743,693.80x = 8,157,198,562,902,238
  5. Step 5: Solve for x
    x = 8,157,198,562,902,238/73,743,693.80
  6. Step 6: Final answer
    x = 110,615,540.70

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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.