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Finding the Fourth Proportional to 244,034.50, 336,751.16 and 135,131

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Solution

The fourth proportional to 244,034.50, 336,751.16 and 135,131 is: 186,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,034.50 : 336,751.16 = 135,131 : x
  2. Step 2: Convert to fraction form
    244,034.50/336,751.16 = 135,131/x
  3. Step 3: Cross multiply
    244,034.50x = 336,751.16 × 135,131
  4. Step 4: Simplify right side
    244,034.50x = 45,505,521,001.96
  5. Step 5: Solve for x
    x = 45,505,521,001.96/244,034.50
  6. Step 6: Final answer
    x = 186,471.67

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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.