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Finding the Fourth Proportional to 188,174.58, 282,042.99 and 69,754.74

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Solution

The fourth proportional to 188,174.58, 282,042.99 and 69,754.74 is: 104,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,174.58 : 282,042.99 = 69,754.74 : x
  2. Step 2: Convert to fraction form
    188,174.58/282,042.99 = 69,754.74/x
  3. Step 3: Cross multiply
    188,174.58x = 282,042.99 × 69,754.74
  4. Step 4: Simplify right side
    188,174.58x = 19,673,835,436.27
  5. Step 5: Solve for x
    x = 19,673,835,436.27/188,174.58
  6. Step 6: Final answer
    x = 104,550.97

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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.