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Finding the Fourth Proportional to 301,949,361.92, 416,687,936 and 171,569,169.92

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Solution

The fourth proportional to 301,949,361.92, 416,687,936 and 171,569,169.92 is: 236,764,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,949,361.92 : 416,687,936 = 171,569,169.92 : x
  2. Step 2: Convert to fraction form
    301,949,361.92/416,687,936 = 171,569,169.92/x
  3. Step 3: Cross multiply
    301,949,361.92x = 416,687,936 × 171,569,169.92
  4. Step 4: Simplify right side
    301,949,361.92x = 71,490,803,295,198,080
  5. Step 5: Solve for x
    x = 71,490,803,295,198,080/301,949,361.92
  6. Step 6: Final answer
    x = 236,764,213.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.