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Finding the Fourth Proportional to 202,636.33, 303,960.65 and 69,514.67

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Solution

The fourth proportional to 202,636.33, 303,960.65 and 69,514.67 is: 104,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,636.33 : 303,960.65 = 69,514.67 : x
  2. Step 2: Convert to fraction form
    202,636.33/303,960.65 = 69,514.67/x
  3. Step 3: Cross multiply
    202,636.33x = 303,960.65 × 69,514.67
  4. Step 4: Simplify right side
    202,636.33x = 21,129,725,081.08
  5. Step 5: Solve for x
    x = 21,129,725,081.08/202,636.33
  6. Step 6: Final answer
    x = 104,274.12

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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.