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Finding the Fourth Proportional to 202,819.01, 304,235.48 and 69,698.12

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Solution

The fourth proportional to 202,819.01, 304,235.48 and 69,698.12 is: 104,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,819.01 : 304,235.48 = 69,698.12 : x
  2. Step 2: Convert to fraction form
    202,819.01/304,235.48 = 69,698.12/x
  3. Step 3: Cross multiply
    202,819.01x = 304,235.48 × 69,698.12
  4. Step 4: Simplify right side
    202,819.01x = 21,204,639,646.37
  5. Step 5: Solve for x
    x = 21,204,639,646.37/202,819.01
  6. Step 6: Final answer
    x = 104,549.57

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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.