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Finding the Fourth Proportional to 85,551.99, 118,059.69 and 49,754.44

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Solution

The fourth proportional to 85,551.99, 118,059.69 and 49,754.44 is: 68,659.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,551.99 : 118,059.69 = 49,754.44 : x
  2. Step 2: Convert to fraction form
    85,551.99/118,059.69 = 49,754.44/x
  3. Step 3: Cross multiply
    85,551.99x = 118,059.69 × 49,754.44
  4. Step 4: Simplify right side
    85,551.99x = 5,873,993,762.52
  5. Step 5: Solve for x
    x = 5,873,993,762.52/85,551.99
  6. Step 6: Final answer
    x = 68,659.93

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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.