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Finding the Fourth Proportional to 269,855.71, 372,406.68 and 149,004.64

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Solution

The fourth proportional to 269,855.71, 372,406.68 and 149,004.64 is: 205,629.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,855.71 : 372,406.68 = 149,004.64 : x
  2. Step 2: Convert to fraction form
    269,855.71/372,406.68 = 149,004.64/x
  3. Step 3: Cross multiply
    269,855.71x = 372,406.68 × 149,004.64
  4. Step 4: Simplify right side
    269,855.71x = 55,490,323,287.00
  5. Step 5: Solve for x
    x = 55,490,323,287.00/269,855.71
  6. Step 6: Final answer
    x = 205,629.61

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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.