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Finding the Fourth Proportional to 271,814,446.80, 407,863,387.80 and 118,476,003.60

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Solution

The fourth proportional to 271,814,446.80, 407,863,387.80 and 118,476,003.60 is: 177,775,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,814,446.80 : 407,863,387.80 = 118,476,003.60 : x
  2. Step 2: Convert to fraction form
    271,814,446.80/407,863,387.80 = 118,476,003.60/x
  3. Step 3: Cross multiply
    271,814,446.80x = 407,863,387.80 × 118,476,003.60
  4. Step 4: Simplify right side
    271,814,446.80x = 48,322,024,201,300,992
  5. Step 5: Solve for x
    x = 48,322,024,201,300,992/271,814,446.80
  6. Step 6: Final answer
    x = 177,775,775.98

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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.