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Finding the Fourth Proportional to 188,610.54, 260,236.86 and 119,674.92

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Solution

The fourth proportional to 188,610.54, 260,236.86 and 119,674.92 is: 165,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,610.54 : 260,236.86 = 119,674.92 : x
  2. Step 2: Convert to fraction form
    188,610.54/260,236.86 = 119,674.92/x
  3. Step 3: Cross multiply
    188,610.54x = 260,236.86 × 119,674.92
  4. Step 4: Simplify right side
    188,610.54x = 31,143,825,401.55
  5. Step 5: Solve for x
    x = 31,143,825,401.55/188,610.54
  6. Step 6: Final answer
    x = 165,122.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.