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Finding the Fourth Proportional to 52,809,958.80, 79,214,938.20 and 50,896,771.20

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Solution

The fourth proportional to 52,809,958.80, 79,214,938.20 and 50,896,771.20 is: 76,345,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,809,958.80 : 79,214,938.20 = 50,896,771.20 : x
  2. Step 2: Convert to fraction form
    52,809,958.80/79,214,938.20 = 50,896,771.20/x
  3. Step 3: Cross multiply
    52,809,958.80x = 79,214,938.20 × 50,896,771.20
  4. Step 4: Simplify right side
    52,809,958.80x = 4,031,784,585,187,540
  5. Step 5: Solve for x
    x = 4,031,784,585,187,540/52,809,958.80
  6. Step 6: Final answer
    x = 76,345,156.80

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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.