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Finding the Fourth Proportional to 188,036, 259,497.36 and 108,548

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Solution

The fourth proportional to 188,036, 259,497.36 and 108,548 is: 149,800.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,036 : 259,497.36 = 108,548 : x
  2. Step 2: Convert to fraction form
    188,036/259,497.36 = 108,548/x
  3. Step 3: Cross multiply
    188,036x = 259,497.36 × 108,548
  4. Step 4: Simplify right side
    188,036x = 28,167,919,433.28
  5. Step 5: Solve for x
    x = 28,167,919,433.28/188,036
  6. Step 6: Final answer
    x = 149,800.67

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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.