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Finding the Fourth Proportional to 202,782.62, 304,194.56 and 69,645.56

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Solution

The fourth proportional to 202,782.62, 304,194.56 and 69,645.56 is: 104,475.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,782.62 : 304,194.56 = 69,645.56 : x
  2. Step 2: Convert to fraction form
    202,782.62/304,194.56 = 69,645.56/x
  3. Step 3: Cross multiply
    202,782.62x = 304,194.56 × 69,645.56
  4. Step 4: Simplify right side
    202,782.62x = 21,185,798,610.95
  5. Step 5: Solve for x
    x = 21,185,798,610.95/202,782.62
  6. Step 6: Final answer
    x = 104,475.41

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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.