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Finding the Fourth Proportional to 188,828.03, 283,176.02 and 55,672.94

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Solution

The fourth proportional to 188,828.03, 283,176.02 and 55,672.94 is: 83,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,828.03 : 283,176.02 = 55,672.94 : x
  2. Step 2: Convert to fraction form
    188,828.03/283,176.02 = 55,672.94/x
  3. Step 3: Cross multiply
    188,828.03x = 283,176.02 × 55,672.94
  4. Step 4: Simplify right side
    188,828.03x = 15,765,239,876.65
  5. Step 5: Solve for x
    x = 15,765,239,876.65/188,828.03
  6. Step 6: Final answer
    x = 83,489.94

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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.