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Finding the Fourth Proportional to 235,166.82, 352,870.84 and 115,221.48

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Solution

The fourth proportional to 235,166.82, 352,870.84 and 115,221.48 is: 172,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,166.82 : 352,870.84 = 115,221.48 : x
  2. Step 2: Convert to fraction form
    235,166.82/352,870.84 = 115,221.48/x
  3. Step 3: Cross multiply
    235,166.82x = 352,870.84 × 115,221.48
  4. Step 4: Simplify right side
    235,166.82x = 40,658,300,433.64
  5. Step 5: Solve for x
    x = 40,658,300,433.64/235,166.82
  6. Step 6: Final answer
    x = 172,891.31

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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.