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Finding the Fourth Proportional to 308,061,136.88, 461,994,145.68 and 100,751,648.48

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Solution

The fourth proportional to 308,061,136.88, 461,994,145.68 and 100,751,648.48 is: 151,095,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,061,136.88 : 461,994,145.68 = 100,751,648.48 : x
  2. Step 2: Convert to fraction form
    308,061,136.88/461,994,145.68 = 100,751,648.48/x
  3. Step 3: Cross multiply
    308,061,136.88x = 461,994,145.68 × 100,751,648.48
  4. Step 4: Simplify right side
    308,061,136.88x = 46,546,671,765,369,272
  5. Step 5: Solve for x
    x = 46,546,671,765,369,272/308,061,136.88
  6. Step 6: Final answer
    x = 151,095,565.76

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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.