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Finding the Fourth Proportional to 6,166,123.80, 8,651,469 and 6,166,123.80

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Solution

The fourth proportional to 6,166,123.80, 8,651,469 and 6,166,123.80 is: 8,651,469

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,166,123.80 : 8,651,469 = 6,166,123.80 : x
  2. Step 2: Convert to fraction form
    6,166,123.80/8,651,469 = 6,166,123.80/x
  3. Step 3: Cross multiply
    6,166,123.80x = 8,651,469 × 6,166,123.80
  4. Step 4: Simplify right side
    6,166,123.80x = 53,346,028,905,862.20
  5. Step 5: Solve for x
    x = 53,346,028,905,862.20/6,166,123.80
  6. Step 6: Final answer
    x = 8,651,469

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.