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Finding the Fourth Proportional to 170,843.49, 235,743.79 and 94,358.03

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Solution

The fourth proportional to 170,843.49, 235,743.79 and 94,358.03 is: 130,202.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,843.49 : 235,743.79 = 94,358.03 : x
  2. Step 2: Convert to fraction form
    170,843.49/235,743.79 = 94,358.03/x
  3. Step 3: Cross multiply
    170,843.49x = 235,743.79 × 94,358.03
  4. Step 4: Simplify right side
    170,843.49x = 22,244,319,137.34
  5. Step 5: Solve for x
    x = 22,244,319,137.34/170,843.49
  6. Step 6: Final answer
    x = 130,202.91

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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.