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Finding the Fourth Proportional to 269,615.94, 372,071.37 and 148,757.28

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Solution

The fourth proportional to 269,615.94, 372,071.37 and 148,757.28 is: 205,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,615.94 : 372,071.37 = 148,757.28 : x
  2. Step 2: Convert to fraction form
    269,615.94/372,071.37 = 148,757.28/x
  3. Step 3: Cross multiply
    269,615.94x = 372,071.37 × 148,757.28
  4. Step 4: Simplify right side
    269,615.94x = 55,348,324,967.07
  5. Step 5: Solve for x
    x = 55,348,324,967.07/269,615.94
  6. Step 6: Final answer
    x = 205,285.80

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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.