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Finding the Fourth Proportional to 85,469.44, 117,948.08 and 47,745.12

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Solution

The fourth proportional to 85,469.44, 117,948.08 and 47,745.12 is: 65,888.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,469.44 : 117,948.08 = 47,745.12 : x
  2. Step 2: Convert to fraction form
    85,469.44/117,948.08 = 47,745.12/x
  3. Step 3: Cross multiply
    85,469.44x = 117,948.08 × 47,745.12
  4. Step 4: Simplify right side
    85,469.44x = 5,631,445,233.37
  5. Step 5: Solve for x
    x = 5,631,445,233.37/85,469.44
  6. Step 6: Final answer
    x = 65,888.41

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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.