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Finding the Fourth Proportional to 202,274.06, 279,243.15 and 147,765.03

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Solution

The fourth proportional to 202,274.06, 279,243.15 and 147,765.03 is: 203,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,274.06 : 279,243.15 = 147,765.03 : x
  2. Step 2: Convert to fraction form
    202,274.06/279,243.15 = 147,765.03/x
  3. Step 3: Cross multiply
    202,274.06x = 279,243.15 × 147,765.03
  4. Step 4: Simplify right side
    202,274.06x = 41,262,373,191.88
  5. Step 5: Solve for x
    x = 41,262,373,191.88/202,274.06
  6. Step 6: Final answer
    x = 203,992.41

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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.