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Finding the Fourth Proportional to 226,507,562.80, 339,509,401.80 and 124,344,919.60

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Solution

The fourth proportional to 226,507,562.80, 339,509,401.80 and 124,344,919.60 is: 186,379,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,507,562.80 : 339,509,401.80 = 124,344,919.60 : x
  2. Step 2: Convert to fraction form
    226,507,562.80/339,509,401.80 = 124,344,919.60/x
  3. Step 3: Cross multiply
    226,507,562.80x = 339,509,401.80 × 124,344,919.60
  4. Step 4: Simplify right side
    226,507,562.80x = 42,216,269,270,265,096
  5. Step 5: Solve for x
    x = 42,216,269,270,265,096/226,507,562.80
  6. Step 6: Final answer
    x = 186,379,071.62

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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.