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Finding the Fourth Proportional to 167,994,053.20, 251,991,079.80 and 52,990,220.80

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Solution

The fourth proportional to 167,994,053.20, 251,991,079.80 and 52,990,220.80 is: 79,485,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,994,053.20 : 251,991,079.80 = 52,990,220.80 : x
  2. Step 2: Convert to fraction form
    167,994,053.20/251,991,079.80 = 52,990,220.80/x
  3. Step 3: Cross multiply
    167,994,053.20x = 251,991,079.80 × 52,990,220.80
  4. Step 4: Simplify right side
    167,994,053.20x = 13,353,062,958,232,420
  5. Step 5: Solve for x
    x = 13,353,062,958,232,420/167,994,053.20
  6. Step 6: Final answer
    x = 79,485,331.20

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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.