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Finding the Fourth Proportional to 84,850.56, 117,091.56 and 47,122.36

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Solution

The fourth proportional to 84,850.56, 117,091.56 and 47,122.36 is: 65,027.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,850.56 : 117,091.56 = 47,122.36 : x
  2. Step 2: Convert to fraction form
    84,850.56/117,091.56 = 47,122.36/x
  3. Step 3: Cross multiply
    84,850.56x = 117,091.56 × 47,122.36
  4. Step 4: Simplify right side
    84,850.56x = 5,517,630,643.28
  5. Step 5: Solve for x
    x = 5,517,630,643.28/84,850.56
  6. Step 6: Final answer
    x = 65,027.63

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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.