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Finding the Fourth Proportional to 189,081.30, 264,910.65 and 189,081.30

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Solution

The fourth proportional to 189,081.30, 264,910.65 and 189,081.30 is: 264,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,081.30 : 264,910.65 = 189,081.30 : x
  2. Step 2: Convert to fraction form
    189,081.30/264,910.65 = 189,081.30/x
  3. Step 3: Cross multiply
    189,081.30x = 264,910.65 × 189,081.30
  4. Step 4: Simplify right side
    189,081.30x = 50,089,650,085.85
  5. Step 5: Solve for x
    x = 50,089,650,085.85/189,081.30
  6. Step 6: Final answer
    x = 264,910.65

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1.5x scale

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.