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Finding the Fourth Proportional to 229,833,644.70, 344,750,467.05 and 143,669,343.90

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Solution

The fourth proportional to 229,833,644.70, 344,750,467.05 and 143,669,343.90 is: 215,504,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,833,644.70 : 344,750,467.05 = 143,669,343.90 : x
  2. Step 2: Convert to fraction form
    229,833,644.70/344,750,467.05 = 143,669,343.90/x
  3. Step 3: Cross multiply
    229,833,644.70x = 344,750,467.05 × 143,669,343.90
  4. Step 4: Simplify right side
    229,833,644.70x = 49,530,073,410,292,072
  5. Step 5: Solve for x
    x = 49,530,073,410,292,072/229,833,644.70
  6. Step 6: Final answer
    x = 215,504,015.85

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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.