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Finding the Fourth Proportional to 248,107.30, 342,387.48 and 134,930.14

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Solution

The fourth proportional to 248,107.30, 342,387.48 and 134,930.14 is: 186,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,107.30 : 342,387.48 = 134,930.14 : x
  2. Step 2: Convert to fraction form
    248,107.30/342,387.48 = 134,930.14/x
  3. Step 3: Cross multiply
    248,107.30x = 342,387.48 × 134,930.14
  4. Step 4: Simplify right side
    248,107.30x = 46,198,390,610.65
  5. Step 5: Solve for x
    x = 46,198,390,610.65/248,107.30
  6. Step 6: Final answer
    x = 186,203.27

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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.