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Finding the Fourth Proportional to 196,774.52, 294,912.56 and 125,669.68

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Solution

The fourth proportional to 196,774.52, 294,912.56 and 125,669.68 is: 188,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,774.52 : 294,912.56 = 125,669.68 : x
  2. Step 2: Convert to fraction form
    196,774.52/294,912.56 = 125,669.68/x
  3. Step 3: Cross multiply
    196,774.52x = 294,912.56 × 125,669.68
  4. Step 4: Simplify right side
    196,774.52x = 37,061,566,620.07
  5. Step 5: Solve for x
    x = 37,061,566,620.07/196,774.52
  6. Step 6: Final answer
    x = 188,345.36

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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.