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Finding the Fourth Proportional to 235,709.94, 325,313.22 and 133,760.52

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Solution

The fourth proportional to 235,709.94, 325,313.22 and 133,760.52 is: 184,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,709.94 : 325,313.22 = 133,760.52 : x
  2. Step 2: Convert to fraction form
    235,709.94/325,313.22 = 133,760.52/x
  3. Step 3: Cross multiply
    235,709.94x = 325,313.22 × 133,760.52
  4. Step 4: Simplify right side
    235,709.94x = 43,514,065,470.07
  5. Step 5: Solve for x
    x = 43,514,065,470.07/235,709.94
  6. Step 6: Final answer
    x = 184,608.53

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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.