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Finding the Fourth Proportional to 271,814,450.80, 407,863,393.80 and 118,476,007.60

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Solution

The fourth proportional to 271,814,450.80, 407,863,393.80 and 118,476,007.60 is: 177,775,781.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,814,450.80 : 407,863,393.80 = 118,476,007.60 : x
  2. Step 2: Convert to fraction form
    271,814,450.80/407,863,393.80 = 118,476,007.60/x
  3. Step 3: Cross multiply
    271,814,450.80x = 407,863,393.80 × 118,476,007.60
  4. Step 4: Simplify right side
    271,814,450.80x = 48,322,026,543,610,592
  5. Step 5: Solve for x
    x = 48,322,026,543,610,592/271,814,450.80
  6. Step 6: Final answer
    x = 177,775,781.98

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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.