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Finding the Fourth Proportional to 188,764.56, 260,500.86 and 108,207.63

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Solution

The fourth proportional to 188,764.56, 260,500.86 and 108,207.63 is: 149,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,764.56 : 260,500.86 = 108,207.63 : x
  2. Step 2: Convert to fraction form
    188,764.56/260,500.86 = 108,207.63/x
  3. Step 3: Cross multiply
    188,764.56x = 260,500.86 × 108,207.63
  4. Step 4: Simplify right side
    188,764.56x = 28,188,180,673.56
  5. Step 5: Solve for x
    x = 28,188,180,673.56/188,764.56
  6. Step 6: Final answer
    x = 149,329.84

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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.