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Finding the Fourth Proportional to 53,880,234.60, 80,820,351.90 and 53,880,234.60

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Solution

The fourth proportional to 53,880,234.60, 80,820,351.90 and 53,880,234.60 is: 80,820,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,880,234.60 : 80,820,351.90 = 53,880,234.60 : x
  2. Step 2: Convert to fraction form
    53,880,234.60/80,820,351.90 = 53,880,234.60/x
  3. Step 3: Cross multiply
    53,880,234.60x = 80,820,351.90 × 53,880,234.60
  4. Step 4: Simplify right side
    53,880,234.60x = 4,354,619,520,826,556
  5. Step 5: Solve for x
    x = 4,354,619,520,826,556/53,880,234.60
  6. Step 6: Final answer
    x = 80,820,351.90

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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.