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Finding the Fourth Proportional to 28,743,846.90, 43,115,770.35 and 28,743,846.90

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Solution

The fourth proportional to 28,743,846.90, 43,115,770.35 and 28,743,846.90 is: 43,115,770.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743,846.90 : 43,115,770.35 = 28,743,846.90 : x
  2. Step 2: Convert to fraction form
    28,743,846.90/43,115,770.35 = 28,743,846.90/x
  3. Step 3: Cross multiply
    28,743,846.90x = 43,115,770.35 × 28,743,846.90
  4. Step 4: Simplify right side
    28,743,846.90x = 1,239,313,101,915,959.50
  5. Step 5: Solve for x
    x = 1,239,313,101,915,959.50/28,743,846.90
  6. Step 6: Final answer
    x = 43,115,770.35

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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.