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Finding the Fourth Proportional to 201,375,486.72, 302,078,458.08 and 55,807,367.04

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Solution

The fourth proportional to 201,375,486.72, 302,078,458.08 and 55,807,367.04 is: 83,715,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,375,486.72 : 302,078,458.08 = 55,807,367.04 : x
  2. Step 2: Convert to fraction form
    201,375,486.72/302,078,458.08 = 55,807,367.04/x
  3. Step 3: Cross multiply
    201,375,486.72x = 302,078,458.08 × 55,807,367.04
  4. Step 4: Simplify right side
    201,375,486.72x = 16,858,203,384,947,812
  5. Step 5: Solve for x
    x = 16,858,203,384,947,812/201,375,486.72
  6. Step 6: Final answer
    x = 83,715,270.71

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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.