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Finding the Fourth Proportional to 69,097.22, 103,630.35 and 26,978.30

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Solution

The fourth proportional to 69,097.22, 103,630.35 and 26,978.30 is: 40,461.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,097.22 : 103,630.35 = 26,978.30 : x
  2. Step 2: Convert to fraction form
    69,097.22/103,630.35 = 26,978.30/x
  3. Step 3: Cross multiply
    69,097.22x = 103,630.35 × 26,978.30
  4. Step 4: Simplify right side
    69,097.22x = 2,795,770,671.41
  5. Step 5: Solve for x
    x = 2,795,770,671.41/69,097.22
  6. Step 6: Final answer
    x = 40,461.41

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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.