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Finding the Fourth Proportional to 248,881,331.20, 373,321,996.80 and 248,881,331.20

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Solution

The fourth proportional to 248,881,331.20, 373,321,996.80 and 248,881,331.20 is: 373,321,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,881,331.20 : 373,321,996.80 = 248,881,331.20 : x
  2. Step 2: Convert to fraction form
    248,881,331.20/373,321,996.80 = 248,881,331.20/x
  3. Step 3: Cross multiply
    248,881,331.20x = 373,321,996.80 × 248,881,331.20
  4. Step 4: Simplify right side
    248,881,331.20x = 92,912,875,529,826,144
  5. Step 5: Solve for x
    x = 92,912,875,529,826,144/248,881,331.20
  6. Step 6: Final answer
    x = 373,321,996.80

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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.