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Finding the Fourth Proportional to 299,048.80, 412,696.56 and 171,749.92

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Solution

The fourth proportional to 299,048.80, 412,696.56 and 171,749.92 is: 237,020.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,048.80 : 412,696.56 = 171,749.92 : x
  2. Step 2: Convert to fraction form
    299,048.80/412,696.56 = 171,749.92/x
  3. Step 3: Cross multiply
    299,048.80x = 412,696.56 × 171,749.92
  4. Step 4: Simplify right side
    299,048.80x = 70,880,601,164.28
  5. Step 5: Solve for x
    x = 70,880,601,164.28/299,048.80
  6. Step 6: Final answer
    x = 237,020.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.