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Finding the Fourth Proportional to 235,169.28, 324,539.46 and 127,739.28

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Solution

The fourth proportional to 235,169.28, 324,539.46 and 127,739.28 is: 176,283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,169.28 : 324,539.46 = 127,739.28 : x
  2. Step 2: Convert to fraction form
    235,169.28/324,539.46 = 127,739.28/x
  3. Step 3: Cross multiply
    235,169.28x = 324,539.46 × 127,739.28
  4. Step 4: Simplify right side
    235,169.28x = 41,456,436,951.99
  5. Step 5: Solve for x
    x = 41,456,436,951.99/235,169.28
  6. Step 6: Final answer
    x = 176,283.39

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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.