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Finding the Fourth Proportional to 67,322,647.80, 100,732,029.30 and 44,647,831.80

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Solution

The fourth proportional to 67,322,647.80, 100,732,029.30 and 44,647,831.80 is: 66,804,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,322,647.80 : 100,732,029.30 = 44,647,831.80 : x
  2. Step 2: Convert to fraction form
    67,322,647.80/100,732,029.30 = 44,647,831.80/x
  3. Step 3: Cross multiply
    67,322,647.80x = 100,732,029.30 × 44,647,831.80
  4. Step 4: Simplify right side
    67,322,647.80x = 4,497,466,701,059,071.50
  5. Step 5: Solve for x
    x = 4,497,466,701,059,071.50/67,322,647.80
  6. Step 6: Final answer
    x = 66,804,661.55

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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.