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Finding the Fourth Proportional to 235,399.02, 324,843.80 and 133,433.86

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Solution

The fourth proportional to 235,399.02, 324,843.80 and 133,433.86 is: 184,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,399.02 : 324,843.80 = 133,433.86 : x
  2. Step 2: Convert to fraction form
    235,399.02/324,843.80 = 133,433.86/x
  3. Step 3: Cross multiply
    235,399.02x = 324,843.80 × 133,433.86
  4. Step 4: Simplify right side
    235,399.02x = 43,345,162,131.07
  5. Step 5: Solve for x
    x = 43,345,162,131.07/235,399.02
  6. Step 6: Final answer
    x = 184,134.85

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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.