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Finding the Fourth Proportional to 43,843,668.30, 61,515,504.90 and 43,843,668.30

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Solution

The fourth proportional to 43,843,668.30, 61,515,504.90 and 43,843,668.30 is: 61,515,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,843,668.30 : 61,515,504.90 = 43,843,668.30 : x
  2. Step 2: Convert to fraction form
    43,843,668.30/61,515,504.90 = 43,843,668.30/x
  3. Step 3: Cross multiply
    43,843,668.30x = 61,515,504.90 × 43,843,668.30
  4. Step 4: Simplify right side
    43,843,668.30x = 2,697,065,392,142,624.50
  5. Step 5: Solve for x
    x = 2,697,065,392,142,624.50/43,843,668.30
  6. Step 6: Final answer
    x = 61,515,504.90

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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.