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Finding the Fourth Proportional to 235,370.91, 324,813.61 and 127,940.65

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Solution

The fourth proportional to 235,370.91, 324,813.61 and 127,940.65 is: 176,559.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,370.91 : 324,813.61 = 127,940.65 : x
  2. Step 2: Convert to fraction form
    235,370.91/324,813.61 = 127,940.65/x
  3. Step 3: Cross multiply
    235,370.91x = 324,813.61 × 127,940.65
  4. Step 4: Simplify right side
    235,370.91x = 41,556,863,740.14
  5. Step 5: Solve for x
    x = 41,556,863,740.14/235,370.91
  6. Step 6: Final answer
    x = 176,559.04

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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.