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Finding the Fourth Proportional to 49,278,843.45, 73,918,265.18 and 49,278,843.45

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Solution

The fourth proportional to 49,278,843.45, 73,918,265.18 and 49,278,843.45 is: 73,918,265.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,278,843.45 : 73,918,265.18 = 49,278,843.45 : x
  2. Step 2: Convert to fraction form
    49,278,843.45/73,918,265.18 = 49,278,843.45/x
  3. Step 3: Cross multiply
    49,278,843.45x = 73,918,265.18 × 49,278,843.45
  4. Step 4: Simplify right side
    49,278,843.45x = 3,642,606,617,654,412
  5. Step 5: Solve for x
    x = 3,642,606,617,654,412/49,278,843.45
  6. Step 6: Final answer
    x = 73,918,265.18

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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.