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Finding the Fourth Proportional to 168,991,744.80, 253,487,617.20 and 41,340,928.80

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Solution

The fourth proportional to 168,991,744.80, 253,487,617.20 and 41,340,928.80 is: 62,011,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,991,744.80 : 253,487,617.20 = 41,340,928.80 : x
  2. Step 2: Convert to fraction form
    168,991,744.80/253,487,617.20 = 41,340,928.80/x
  3. Step 3: Cross multiply
    168,991,744.80x = 253,487,617.20 × 41,340,928.80
  4. Step 4: Simplify right side
    168,991,744.80x = 10,479,413,534,346,854
  5. Step 5: Solve for x
    x = 10,479,413,534,346,854/168,991,744.80
  6. Step 6: Final answer
    x = 62,011,393.20

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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.