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Finding the Fourth Proportional to 245,582,722.80, 368,515,801.80 and 92,244,279.60

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Solution

The fourth proportional to 245,582,722.80, 368,515,801.80 and 92,244,279.60 is: 138,419,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,582,722.80 : 368,515,801.80 = 92,244,279.60 : x
  2. Step 2: Convert to fraction form
    245,582,722.80/368,515,801.80 = 92,244,279.60/x
  3. Step 3: Cross multiply
    245,582,722.80x = 368,515,801.80 × 92,244,279.60
  4. Step 4: Simplify right side
    245,582,722.80x = 33,993,474,658,257,384
  5. Step 5: Solve for x
    x = 33,993,474,658,257,384/245,582,722.80
  6. Step 6: Final answer
    x = 138,419,650.50

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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.