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Finding the Fourth Proportional to 169,991,525.80, 254,987,288.70 and 133,003,232.20

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Solution

The fourth proportional to 169,991,525.80, 254,987,288.70 and 133,003,232.20 is: 199,504,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,991,525.80 : 254,987,288.70 = 133,003,232.20 : x
  2. Step 2: Convert to fraction form
    169,991,525.80/254,987,288.70 = 133,003,232.20/x
  3. Step 3: Cross multiply
    169,991,525.80x = 254,987,288.70 × 133,003,232.20
  4. Step 4: Simplify right side
    169,991,525.80x = 33,914,133,567,014,536
  5. Step 5: Solve for x
    x = 33,914,133,567,014,536/169,991,525.80
  6. Step 6: Final answer
    x = 199,504,848.30

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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.