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Finding the Fourth Proportional to 188,759.96, 260,499.50 and 108,200.88

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Solution

The fourth proportional to 188,759.96, 260,499.50 and 108,200.88 is: 149,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,759.96 : 260,499.50 = 108,200.88 : x
  2. Step 2: Convert to fraction form
    188,759.96/260,499.50 = 108,200.88/x
  3. Step 3: Cross multiply
    188,759.96x = 260,499.50 × 108,200.88
  4. Step 4: Simplify right side
    188,759.96x = 28,186,275,139.56
  5. Step 5: Solve for x
    x = 28,186,275,139.56/188,759.96
  6. Step 6: Final answer
    x = 149,323.38

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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.