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Finding the Fourth Proportional to 169,611.16, 254,422.14 and 85,325.26

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Solution

The fourth proportional to 169,611.16, 254,422.14 and 85,325.26 is: 127,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,611.16 : 254,422.14 = 85,325.26 : x
  2. Step 2: Convert to fraction form
    169,611.16/254,422.14 = 85,325.26/x
  3. Step 3: Cross multiply
    169,611.16x = 254,422.14 × 85,325.26
  4. Step 4: Simplify right side
    169,611.16x = 21,708,635,245.26
  5. Step 5: Solve for x
    x = 21,708,635,245.26/169,611.16
  6. Step 6: Final answer
    x = 127,990.61

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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.