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Finding the Fourth Proportional to 85,096.94, 117,449.53 and 49,286.94

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Solution

The fourth proportional to 85,096.94, 117,449.53 and 49,286.94 is: 68,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,096.94 : 117,449.53 = 49,286.94 : x
  2. Step 2: Convert to fraction form
    85,096.94/117,449.53 = 49,286.94/x
  3. Step 3: Cross multiply
    85,096.94x = 117,449.53 × 49,286.94
  4. Step 4: Simplify right side
    85,096.94x = 5,788,728,255.36
  5. Step 5: Solve for x
    x = 5,788,728,255.36/85,096.94
  6. Step 6: Final answer
    x = 68,025.10

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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.