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Finding the Fourth Proportional to 85,360.80, 117,796.08 and 47,634.24

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Solution

The fourth proportional to 85,360.80, 117,796.08 and 47,634.24 is: 65,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,360.80 : 117,796.08 = 47,634.24 : x
  2. Step 2: Convert to fraction form
    85,360.80/117,796.08 = 47,634.24/x
  3. Step 3: Cross multiply
    85,360.80x = 117,796.08 × 47,634.24
  4. Step 4: Simplify right side
    85,360.80x = 5,611,126,745.78
  5. Step 5: Solve for x
    x = 5,611,126,745.78/85,360.80
  6. Step 6: Final answer
    x = 65,734.23

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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.