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Finding the Fourth Proportional to 53,397,847.20, 80,096,770.80 and 53,397,847.20

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Solution

The fourth proportional to 53,397,847.20, 80,096,770.80 and 53,397,847.20 is: 80,096,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,397,847.20 : 80,096,770.80 = 53,397,847.20 : x
  2. Step 2: Convert to fraction form
    53,397,847.20/80,096,770.80 = 53,397,847.20/x
  3. Step 3: Cross multiply
    53,397,847.20x = 80,096,770.80 × 53,397,847.20
  4. Step 4: Simplify right side
    53,397,847.20x = 4,276,995,128,391,822
  5. Step 5: Solve for x
    x = 4,276,995,128,391,822/53,397,847.20
  6. Step 6: Final answer
    x = 80,096,770.80

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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.