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Finding the Fourth Proportional to 235,501.44, 324,896.16 and 133,505.28

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Solution

The fourth proportional to 235,501.44, 324,896.16 and 133,505.28 is: 184,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,501.44 : 324,896.16 = 133,505.28 : x
  2. Step 2: Convert to fraction form
    235,501.44/324,896.16 = 133,505.28/x
  3. Step 3: Cross multiply
    235,501.44x = 324,896.16 × 133,505.28
  4. Step 4: Simplify right side
    235,501.44x = 43,375,352,811.72
  5. Step 5: Solve for x
    x = 43,375,352,811.72/235,501.44
  6. Step 6: Final answer
    x = 184,182.96

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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.