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Finding the Fourth Proportional to 20,183,246.55, 30,274,869.83 and 20,183,246.55

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Solution

The fourth proportional to 20,183,246.55, 30,274,869.83 and 20,183,246.55 is: 30,274,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183,246.55 : 30,274,869.83 = 20,183,246.55 : x
  2. Step 2: Convert to fraction form
    20,183,246.55/30,274,869.83 = 20,183,246.55/x
  3. Step 3: Cross multiply
    20,183,246.55x = 30,274,869.83 × 20,183,246.55
  4. Step 4: Simplify right side
    20,183,246.55x = 611,045,161,947,130.38
  5. Step 5: Solve for x
    x = 611,045,161,947,130.38/20,183,246.55
  6. Step 6: Final answer
    x = 30,274,869.83

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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.