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Finding the Fourth Proportional to 120,162.96, 180,242.46 and 35,923.32

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Solution

The fourth proportional to 120,162.96, 180,242.46 and 35,923.32 is: 53,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,162.96 : 180,242.46 = 35,923.32 : x
  2. Step 2: Convert to fraction form
    120,162.96/180,242.46 = 35,923.32/x
  3. Step 3: Cross multiply
    120,162.96x = 180,242.46 × 35,923.32
  4. Step 4: Simplify right side
    120,162.96x = 6,474,907,568.17
  5. Step 5: Solve for x
    x = 6,474,907,568.17/120,162.96
  6. Step 6: Final answer
    x = 53,884.39

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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.