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Finding the Fourth Proportional to 85,222.98, 117,611.73 and 47,497.50

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Solution

The fourth proportional to 85,222.98, 117,611.73 and 47,497.50 is: 65,548.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,222.98 : 117,611.73 = 47,497.50 : x
  2. Step 2: Convert to fraction form
    85,222.98/117,611.73 = 47,497.50/x
  3. Step 3: Cross multiply
    85,222.98x = 117,611.73 × 47,497.50
  4. Step 4: Simplify right side
    85,222.98x = 5,586,263,145.68
  5. Step 5: Solve for x
    x = 5,586,263,145.68/85,222.98
  6. Step 6: Final answer
    x = 65,548.79

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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.