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Finding the Fourth Proportional to 189,471.20, 265,751.20 and 189,471.20

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Solution

The fourth proportional to 189,471.20, 265,751.20 and 189,471.20 is: 265,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,471.20 : 265,751.20 = 189,471.20 : x
  2. Step 2: Convert to fraction form
    189,471.20/265,751.20 = 189,471.20/x
  3. Step 3: Cross multiply
    189,471.20x = 265,751.20 × 189,471.20
  4. Step 4: Simplify right side
    189,471.20x = 50,352,198,765.44
  5. Step 5: Solve for x
    x = 50,352,198,765.44/189,471.20
  6. Step 6: Final answer
    x = 265,751.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.