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Finding the Fourth Proportional to 203,886.45, 305,246.48 and 203,886.45

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Solution

The fourth proportional to 203,886.45, 305,246.48 and 203,886.45 is: 305,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,886.45 : 305,246.48 = 203,886.45 : x
  2. Step 2: Convert to fraction form
    203,886.45/305,246.48 = 203,886.45/x
  3. Step 3: Cross multiply
    203,886.45x = 305,246.48 × 203,886.45
  4. Step 4: Simplify right side
    203,886.45x = 62,235,620,162.76
  5. Step 5: Solve for x
    x = 62,235,620,162.76/203,886.45
  6. Step 6: Final answer
    x = 305,246.48

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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.