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Finding the Fourth Proportional to 41,490,912.20, 62,236,368.30 and 41,490,912.20

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Solution

The fourth proportional to 41,490,912.20, 62,236,368.30 and 41,490,912.20 is: 62,236,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,490,912.20 : 62,236,368.30 = 41,490,912.20 : x
  2. Step 2: Convert to fraction form
    41,490,912.20/62,236,368.30 = 41,490,912.20/x
  3. Step 3: Cross multiply
    41,490,912.20x = 62,236,368.30 × 41,490,912.20
  4. Step 4: Simplify right side
    41,490,912.20x = 2,582,243,692,782,163.50
  5. Step 5: Solve for x
    x = 2,582,243,692,782,163.50/41,490,912.20
  6. Step 6: Final answer
    x = 62,236,368.30

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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.