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Finding the Fourth Proportional to 68,170.67, 94,074.63 and 39,494.24

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Solution

The fourth proportional to 68,170.67, 94,074.63 and 39,494.24 is: 54,501.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170.67 : 94,074.63 = 39,494.24 : x
  2. Step 2: Convert to fraction form
    68,170.67/94,074.63 = 39,494.24/x
  3. Step 3: Cross multiply
    68,170.67x = 94,074.63 × 39,494.24
  4. Step 4: Simplify right side
    68,170.67x = 3,715,405,971.59
  5. Step 5: Solve for x
    x = 3,715,405,971.59/68,170.67
  6. Step 6: Final answer
    x = 54,501.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.