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Finding the Fourth Proportional to 188,296.44, 282,444.60 and 55,176.66

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Solution

The fourth proportional to 188,296.44, 282,444.60 and 55,176.66 is: 82,764.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,296.44 : 282,444.60 = 55,176.66 : x
  2. Step 2: Convert to fraction form
    188,296.44/282,444.60 = 55,176.66/x
  3. Step 3: Cross multiply
    188,296.44x = 282,444.60 × 55,176.66
  4. Step 4: Simplify right side
    188,296.44x = 15,584,349,663.04
  5. Step 5: Solve for x
    x = 15,584,349,663.04/188,296.44
  6. Step 6: Final answer
    x = 82,764.97

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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.