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Finding the Fourth Proportional to 150,412.48, 225,598.56 and 71,576.80

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Solution

The fourth proportional to 150,412.48, 225,598.56 and 71,576.80 is: 107,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,412.48 : 225,598.56 = 71,576.80 : x
  2. Step 2: Convert to fraction form
    150,412.48/225,598.56 = 71,576.80/x
  3. Step 3: Cross multiply
    150,412.48x = 225,598.56 × 71,576.80
  4. Step 4: Simplify right side
    150,412.48x = 16,147,623,009.41
  5. Step 5: Solve for x
    x = 16,147,623,009.41/150,412.48
  6. Step 6: Final answer
    x = 107,355.61

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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.