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Finding the Fourth Proportional to 188,760.96, 260,500.88 and 108,201.88

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Solution

The fourth proportional to 188,760.96, 260,500.88 and 108,201.88 is: 149,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,760.96 : 260,500.88 = 108,201.88 : x
  2. Step 2: Convert to fraction form
    188,760.96/260,500.88 = 108,201.88/x
  3. Step 3: Cross multiply
    188,760.96x = 260,500.88 × 108,201.88
  4. Step 4: Simplify right side
    188,760.96x = 28,186,684,957.65
  5. Step 5: Solve for x
    x = 28,186,684,957.65/188,760.96
  6. Step 6: Final answer
    x = 149,324.76

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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.