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Finding the Fourth Proportional to 54,679,900.80, 82,019,851.20 and 29,107,747.20

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Solution

The fourth proportional to 54,679,900.80, 82,019,851.20 and 29,107,747.20 is: 43,661,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,679,900.80 : 82,019,851.20 = 29,107,747.20 : x
  2. Step 2: Convert to fraction form
    54,679,900.80/82,019,851.20 = 29,107,747.20/x
  3. Step 3: Cross multiply
    54,679,900.80x = 82,019,851.20 × 29,107,747.20
  4. Step 4: Simplify right side
    54,679,900.80x = 2,387,413,094,111,216.50
  5. Step 5: Solve for x
    x = 2,387,413,094,111,216.50/54,679,900.80
  6. Step 6: Final answer
    x = 43,661,620.80

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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.