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Finding the Fourth Proportional to 57,332,315.60, 80,491,990 and 57,332,315.60

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Solution

The fourth proportional to 57,332,315.60, 80,491,990 and 57,332,315.60 is: 80,491,990

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,332,315.60 : 80,491,990 = 57,332,315.60 : x
  2. Step 2: Convert to fraction form
    57,332,315.60/80,491,990 = 57,332,315.60/x
  3. Step 3: Cross multiply
    57,332,315.60x = 80,491,990 × 57,332,315.60
  4. Step 4: Simplify right side
    57,332,315.60x = 4,614,792,173,952,044
  5. Step 5: Solve for x
    x = 4,614,792,173,952,044/57,332,315.60
  6. Step 6: Final answer
    x = 80,491,990

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.