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Finding the Fourth Proportional to 181,007,290.80, 271,510,936.20 and 65,995,585.20

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Solution

The fourth proportional to 181,007,290.80, 271,510,936.20 and 65,995,585.20 is: 98,993,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,007,290.80 : 271,510,936.20 = 65,995,585.20 : x
  2. Step 2: Convert to fraction form
    181,007,290.80/271,510,936.20 = 65,995,585.20/x
  3. Step 3: Cross multiply
    181,007,290.80x = 271,510,936.20 × 65,995,585.20
  4. Step 4: Simplify right side
    181,007,290.80x = 17,918,523,122,718,864
  5. Step 5: Solve for x
    x = 17,918,523,122,718,864/181,007,290.80
  6. Step 6: Final answer
    x = 98,993,377.80

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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.