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Finding the Fourth Proportional to 69,314.40, 103,971.60 and 34,246.80

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Solution

The fourth proportional to 69,314.40, 103,971.60 and 34,246.80 is: 51,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,314.40 : 103,971.60 = 34,246.80 : x
  2. Step 2: Convert to fraction form
    69,314.40/103,971.60 = 34,246.80/x
  3. Step 3: Cross multiply
    69,314.40x = 103,971.60 × 34,246.80
  4. Step 4: Simplify right side
    69,314.40x = 3,560,694,590.88
  5. Step 5: Solve for x
    x = 3,560,694,590.88/69,314.40
  6. Step 6: Final answer
    x = 51,370.20

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1.5x scale

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.