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Finding the Fourth Proportional to 65,757,701.80, 98,636,552.70 and 35,524,613.80

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Solution

The fourth proportional to 65,757,701.80, 98,636,552.70 and 35,524,613.80 is: 53,286,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,757,701.80 : 98,636,552.70 = 35,524,613.80 : x
  2. Step 2: Convert to fraction form
    65,757,701.80/98,636,552.70 = 35,524,613.80/x
  3. Step 3: Cross multiply
    65,757,701.80x = 98,636,552.70 × 35,524,613.80
  4. Step 4: Simplify right side
    65,757,701.80x = 3,504,025,441,230,847
  5. Step 5: Solve for x
    x = 3,504,025,441,230,847/65,757,701.80
  6. Step 6: Final answer
    x = 53,286,920.70

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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.