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Finding the Fourth Proportional to 203,230.80, 304,866.48 and 70,093.44

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Solution

The fourth proportional to 203,230.80, 304,866.48 and 70,093.44 is: 105,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,230.80 : 304,866.48 = 70,093.44 : x
  2. Step 2: Convert to fraction form
    203,230.80/304,866.48 = 70,093.44/x
  3. Step 3: Cross multiply
    203,230.80x = 304,866.48 × 70,093.44
  4. Step 4: Simplify right side
    203,230.80x = 21,369,140,323.89
  5. Step 5: Solve for x
    x = 21,369,140,323.89/203,230.80
  6. Step 6: Final answer
    x = 105,147.15

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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.