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Finding the Fourth Proportional to 188,838.54, 283,536.99 and 126,049.86

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Solution

The fourth proportional to 188,838.54, 283,536.99 and 126,049.86 is: 189,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,838.54 : 283,536.99 = 126,049.86 : x
  2. Step 2: Convert to fraction form
    188,838.54/283,536.99 = 126,049.86/x
  3. Step 3: Cross multiply
    188,838.54x = 283,536.99 × 126,049.86
  4. Step 4: Simplify right side
    188,838.54x = 35,739,797,894.32
  5. Step 5: Solve for x
    x = 35,739,797,894.32/188,838.54
  6. Step 6: Final answer
    x = 189,261.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.