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Finding the Fourth Proportional to 49,826,261.85, 74,739,392.78 and 49,826,261.85

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Solution

The fourth proportional to 49,826,261.85, 74,739,392.78 and 49,826,261.85 is: 74,739,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,826,261.85 : 74,739,392.78 = 49,826,261.85 : x
  2. Step 2: Convert to fraction form
    49,826,261.85/74,739,392.78 = 49,826,261.85/x
  3. Step 3: Cross multiply
    49,826,261.85x = 74,739,392.78 × 49,826,261.85
  4. Step 4: Simplify right side
    49,826,261.85x = 3,723,984,554,917,148.50
  5. Step 5: Solve for x
    x = 3,723,984,554,917,148.50/49,826,261.85
  6. Step 6: Final answer
    x = 74,739,392.78

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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.