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Finding the Fourth Proportional to 54,653,224.92, 81,978,530.62 and 17,765,068.56

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Solution

The fourth proportional to 54,653,224.92, 81,978,530.62 and 17,765,068.56 is: 26,647,178.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653,224.92 : 81,978,530.62 = 17,765,068.56 : x
  2. Step 2: Convert to fraction form
    54,653,224.92/81,978,530.62 = 17,765,068.56/x
  3. Step 3: Cross multiply
    54,653,224.92x = 81,978,530.62 × 17,765,068.56
  4. Step 4: Simplify right side
    54,653,224.92x = 1,456,354,216,912,359.25
  5. Step 5: Solve for x
    x = 1,456,354,216,912,359.25/54,653,224.92
  6. Step 6: Final answer
    x = 26,647,178.08

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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.