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Finding the Fourth Proportional to 168,991,863.80, 253,487,795.70 and 41,341,047.80

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Solution

The fourth proportional to 168,991,863.80, 253,487,795.70 and 41,341,047.80 is: 62,011,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,991,863.80 : 253,487,795.70 = 41,341,047.80 : x
  2. Step 2: Convert to fraction form
    168,991,863.80/253,487,795.70 = 41,341,047.80/x
  3. Step 3: Cross multiply
    168,991,863.80x = 253,487,795.70 × 41,341,047.80
  4. Step 4: Simplify right side
    168,991,863.80x = 10,479,451,078,750,334
  5. Step 5: Solve for x
    x = 10,479,451,078,750,334/168,991,863.80
  6. Step 6: Final answer
    x = 62,011,571.70

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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.