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Finding the Fourth Proportional to 201,858,536.67, 302,787,805.41 and 48,504,593.31

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Solution

The fourth proportional to 201,858,536.67, 302,787,805.41 and 48,504,593.31 is: 72,756,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,858,536.67 : 302,787,805.41 = 48,504,593.31 : x
  2. Step 2: Convert to fraction form
    201,858,536.67/302,787,805.41 = 48,504,593.31/x
  3. Step 3: Cross multiply
    201,858,536.67x = 302,787,805.41 × 48,504,593.31
  4. Step 4: Simplify right side
    201,858,536.67x = 14,686,599,360,639,470
  5. Step 5: Solve for x
    x = 14,686,599,360,639,470/201,858,536.67
  6. Step 6: Final answer
    x = 72,756,890.06

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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.