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Finding the Fourth Proportional to 150,150.80, 225,096.60 and 76,278.80

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Solution

The fourth proportional to 150,150.80, 225,096.60 and 76,278.80 is: 114,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,150.80 : 225,096.60 = 76,278.80 : x
  2. Step 2: Convert to fraction form
    150,150.80/225,096.60 = 76,278.80/x
  3. Step 3: Cross multiply
    150,150.80x = 225,096.60 × 76,278.80
  4. Step 4: Simplify right side
    150,150.80x = 17,170,098,532.08
  5. Step 5: Solve for x
    x = 17,170,098,532.08/150,150.80
  6. Step 6: Final answer
    x = 114,352.36

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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.