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Finding the Fourth Proportional to 201,762,986.70, 302,555,906.55 and 92,551,861.20

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Solution

The fourth proportional to 201,762,986.70, 302,555,906.55 and 92,551,861.20 is: 138,787,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,762,986.70 : 302,555,906.55 = 92,551,861.20 : x
  2. Step 2: Convert to fraction form
    201,762,986.70/302,555,906.55 = 92,551,861.20/x
  3. Step 3: Cross multiply
    201,762,986.70x = 302,555,906.55 × 92,551,861.20
  4. Step 4: Simplify right side
    201,762,986.70x = 28,002,112,268,255,772
  5. Step 5: Solve for x
    x = 28,002,112,268,255,772/201,762,986.70
  6. Step 6: Final answer
    x = 138,787,161.74

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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.