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Finding the Fourth Proportional to 150,412.96, 225,548.64 and 87,251.04

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Solution

The fourth proportional to 150,412.96, 225,548.64 and 87,251.04 is: 130,835.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,412.96 : 225,548.64 = 87,251.04 : x
  2. Step 2: Convert to fraction form
    150,412.96/225,548.64 = 87,251.04/x
  3. Step 3: Cross multiply
    150,412.96x = 225,548.64 × 87,251.04
  4. Step 4: Simplify right side
    150,412.96x = 19,679,353,410.59
  5. Step 5: Solve for x
    x = 19,679,353,410.59/150,412.96
  6. Step 6: Final answer
    x = 130,835.49

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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.