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Finding the Fourth Proportional to 269,790.71, 372,309.08 and 148,932.09

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Solution

The fourth proportional to 269,790.71, 372,309.08 and 148,932.09 is: 205,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,790.71 : 372,309.08 = 148,932.09 : x
  2. Step 2: Convert to fraction form
    269,790.71/372,309.08 = 148,932.09/x
  3. Step 3: Cross multiply
    269,790.71x = 372,309.08 × 148,932.09
  4. Step 4: Simplify right side
    269,790.71x = 55,448,768,665.72
  5. Step 5: Solve for x
    x = 55,448,768,665.72/269,790.71
  6. Step 6: Final answer
    x = 205,525.13

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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.