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Finding the Fourth Proportional to 235,382.45, 324,833.37 and 133,418.30

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Solution

The fourth proportional to 235,382.45, 324,833.37 and 133,418.30 is: 184,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,382.45 : 324,833.37 = 133,418.30 : x
  2. Step 2: Convert to fraction form
    235,382.45/324,833.37 = 133,418.30/x
  3. Step 3: Cross multiply
    235,382.45x = 324,833.37 × 133,418.30
  4. Step 4: Simplify right side
    235,382.45x = 43,338,716,008.67
  5. Step 5: Solve for x
    x = 43,338,716,008.67/235,382.45
  6. Step 6: Final answer
    x = 184,120.42

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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.