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Finding the Fourth Proportional to 269,755.55, 372,262.69 and 148,896.88

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Solution

The fourth proportional to 269,755.55, 372,262.69 and 148,896.88 is: 205,477.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,755.55 : 372,262.69 = 148,896.88 : x
  2. Step 2: Convert to fraction form
    269,755.55/372,262.69 = 148,896.88/x
  3. Step 3: Cross multiply
    269,755.55x = 372,262.69 × 148,896.88
  4. Step 4: Simplify right side
    269,755.55x = 55,428,752,336.87
  5. Step 5: Solve for x
    x = 55,428,752,336.87/269,755.55
  6. Step 6: Final answer
    x = 205,477.71

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1.5x scale

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.