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Finding the Fourth Proportional to 150,446.60, 225,986.70 and 127,118.60

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Solution

The fourth proportional to 150,446.60, 225,986.70 and 127,118.60 is: 190,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,446.60 : 225,986.70 = 127,118.60 : x
  2. Step 2: Convert to fraction form
    150,446.60/225,986.70 = 127,118.60/x
  3. Step 3: Cross multiply
    150,446.60x = 225,986.70 × 127,118.60
  4. Step 4: Simplify right side
    150,446.60x = 28,727,112,922.62
  5. Step 5: Solve for x
    x = 28,727,112,922.62/150,446.60
  6. Step 6: Final answer
    x = 190,945.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.