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Finding the Fourth Proportional to 269,813.68, 372,323.76 and 148,935.56

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Solution

The fourth proportional to 269,813.68, 372,323.76 and 148,935.56 is: 205,520.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,813.68 : 372,323.76 = 148,935.56 : x
  2. Step 2: Convert to fraction form
    269,813.68/372,323.76 = 148,935.56/x
  3. Step 3: Cross multiply
    269,813.68x = 372,323.76 × 148,935.56
  4. Step 4: Simplify right side
    269,813.68x = 55,452,247,696.91
  5. Step 5: Solve for x
    x = 55,452,247,696.91/269,813.68
  6. Step 6: Final answer
    x = 205,520.52

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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.