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Finding the Fourth Proportional to 185,647,531.45, 278,471,297.18 and 185,647,531.45

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Solution

The fourth proportional to 185,647,531.45, 278,471,297.18 and 185,647,531.45 is: 278,471,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,647,531.45 : 278,471,297.18 = 185,647,531.45 : x
  2. Step 2: Convert to fraction form
    185,647,531.45/278,471,297.18 = 185,647,531.45/x
  3. Step 3: Cross multiply
    185,647,531.45x = 278,471,297.18 × 185,647,531.45
  4. Step 4: Simplify right side
    185,647,531.45x = 51,697,508,901,146,344
  5. Step 5: Solve for x
    x = 51,697,508,901,146,344/185,647,531.45
  6. Step 6: Final answer
    x = 278,471,297.18

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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.