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Finding the Fourth Proportional to 229,352.56, 343,738.20 and 129,568.97

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Solution

The fourth proportional to 229,352.56, 343,738.20 and 129,568.97 is: 194,189.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,352.56 : 343,738.20 = 129,568.97 : x
  2. Step 2: Convert to fraction form
    229,352.56/343,738.20 = 129,568.97/x
  3. Step 3: Cross multiply
    229,352.56x = 343,738.20 × 129,568.97
  4. Step 4: Simplify right side
    229,352.56x = 44,537,804,523.65
  5. Step 5: Solve for x
    x = 44,537,804,523.65/229,352.56
  6. Step 6: Final answer
    x = 194,189.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.