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Finding the Fourth Proportional to 227,053,563.20, 340,580,344.80 and 99,651,579.20

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Solution

The fourth proportional to 227,053,563.20, 340,580,344.80 and 99,651,579.20 is: 149,477,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,053,563.20 : 340,580,344.80 = 99,651,579.20 : x
  2. Step 2: Convert to fraction form
    227,053,563.20/340,580,344.80 = 99,651,579.20/x
  3. Step 3: Cross multiply
    227,053,563.20x = 340,580,344.80 × 99,651,579.20
  4. Step 4: Simplify right side
    227,053,563.20x = 33,939,369,203,800,512
  5. Step 5: Solve for x
    x = 33,939,369,203,800,512/227,053,563.20
  6. Step 6: Final answer
    x = 149,477,368.80

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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.