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Finding the Fourth Proportional to 203,012.00, 304,516.31 and 158,676.02

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Solution

The fourth proportional to 203,012.00, 304,516.31 and 158,676.02 is: 238,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,012.00 : 304,516.31 = 158,676.02 : x
  2. Step 2: Convert to fraction form
    203,012.00/304,516.31 = 158,676.02/x
  3. Step 3: Cross multiply
    203,012.00x = 304,516.31 × 158,676.02
  4. Step 4: Simplify right side
    203,012.00x = 48,319,434,969.99
  5. Step 5: Solve for x
    x = 48,319,434,969.99/203,012.00
  6. Step 6: Final answer
    x = 238,012.71

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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.