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Finding the Fourth Proportional to 85,146.50, 127,735.22 and 35,199.46

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Solution

The fourth proportional to 85,146.50, 127,735.22 and 35,199.46 is: 52,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,146.50 : 127,735.22 = 35,199.46 : x
  2. Step 2: Convert to fraction form
    85,146.50/127,735.22 = 35,199.46/x
  3. Step 3: Cross multiply
    85,146.50x = 127,735.22 × 35,199.46
  4. Step 4: Simplify right side
    85,146.50x = 4,496,210,766.98
  5. Step 5: Solve for x
    x = 4,496,210,766.98/85,146.50
  6. Step 6: Final answer
    x = 52,805.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.