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Finding the Fourth Proportional to 239,195,893.60, 335,100,999.20 and 239,195,893.60

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Solution

The fourth proportional to 239,195,893.60, 335,100,999.20 and 239,195,893.60 is: 335,100,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,195,893.60 : 335,100,999.20 = 239,195,893.60 : x
  2. Step 2: Convert to fraction form
    239,195,893.60/335,100,999.20 = 239,195,893.60/x
  3. Step 3: Cross multiply
    239,195,893.60x = 335,100,999.20 × 239,195,893.60
  4. Step 4: Simplify right side
    239,195,893.60x = 80,154,782,949,896,880
  5. Step 5: Solve for x
    x = 80,154,782,949,896,880/239,195,893.60
  6. Step 6: Final answer
    x = 335,100,999.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.