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Finding the Fourth Proportional to 180,535.93, 270,611.80 and 68,168.31

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Solution

The fourth proportional to 180,535.93, 270,611.80 and 68,168.31 is: 102,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,535.93 : 270,611.80 = 68,168.31 : x
  2. Step 2: Convert to fraction form
    180,535.93/270,611.80 = 68,168.31/x
  3. Step 3: Cross multiply
    180,535.93x = 270,611.80 × 68,168.31
  4. Step 4: Simplify right side
    180,535.93x = 18,447,149,072.06
  5. Step 5: Solve for x
    x = 18,447,149,072.06/180,535.93
  6. Step 6: Final answer
    x = 102,179.93

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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.