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Finding the Fourth Proportional to 269,606.94, 372,055.17 and 148,749.30

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Solution

The fourth proportional to 269,606.94, 372,055.17 and 148,749.30 is: 205,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,606.94 : 372,055.17 = 148,749.30 : x
  2. Step 2: Convert to fraction form
    269,606.94/372,055.17 = 148,749.30/x
  3. Step 3: Cross multiply
    269,606.94x = 372,055.17 × 148,749.30
  4. Step 4: Simplify right side
    269,606.94x = 55,342,946,098.88
  5. Step 5: Solve for x
    x = 55,342,946,098.88/269,606.94
  6. Step 6: Final answer
    x = 205,272.71

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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.