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Finding the Fourth Proportional to 85,144.50, 117,303.80 and 67,232.97

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Solution

The fourth proportional to 85,144.50, 117,303.80 and 67,232.97 is: 92,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,144.50 : 117,303.80 = 67,232.97 : x
  2. Step 2: Convert to fraction form
    85,144.50/117,303.80 = 67,232.97/x
  3. Step 3: Cross multiply
    85,144.50x = 117,303.80 × 67,232.97
  4. Step 4: Simplify right side
    85,144.50x = 7,886,682,530.12
  5. Step 5: Solve for x
    x = 7,886,682,530.12/85,144.50
  6. Step 6: Final answer
    x = 92,627.03

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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.