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Finding the Fourth Proportional to 188,623.99, 282,954.48 and 68,713.54

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Solution

The fourth proportional to 188,623.99, 282,954.48 and 68,713.54 is: 103,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,623.99 : 282,954.48 = 68,713.54 : x
  2. Step 2: Convert to fraction form
    188,623.99/282,954.48 = 68,713.54/x
  3. Step 3: Cross multiply
    188,623.99x = 282,954.48 × 68,713.54
  4. Step 4: Simplify right side
    188,623.99x = 19,442,803,979.66
  5. Step 5: Solve for x
    x = 19,442,803,979.66/188,623.99
  6. Step 6: Final answer
    x = 103,077.05

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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.