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Finding the Fourth Proportional to 203,537.52, 281,020.32 and 127,086.48

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Solution

The fourth proportional to 203,537.52, 281,020.32 and 127,086.48 is: 175,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,537.52 : 281,020.32 = 127,086.48 : x
  2. Step 2: Convert to fraction form
    203,537.52/281,020.32 = 127,086.48/x
  3. Step 3: Cross multiply
    203,537.52x = 281,020.32 × 127,086.48
  4. Step 4: Simplify right side
    203,537.52x = 35,713,883,277.27
  5. Step 5: Solve for x
    x = 35,713,883,277.27/203,537.52
  6. Step 6: Final answer
    x = 175,465.85

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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.