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Finding the Fourth Proportional to 188,838.95, 283,119.71 and 88,942.86

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Solution

The fourth proportional to 188,838.95, 283,119.71 and 88,942.86 is: 133,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,838.95 : 283,119.71 = 88,942.86 : x
  2. Step 2: Convert to fraction form
    188,838.95/283,119.71 = 88,942.86/x
  3. Step 3: Cross multiply
    188,838.95x = 283,119.71 × 88,942.86
  4. Step 4: Simplify right side
    188,838.95x = 25,181,476,285.06
  5. Step 5: Solve for x
    x = 25,181,476,285.06/188,838.95
  6. Step 6: Final answer
    x = 133,348.96

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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.