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Finding the Fourth Proportional to 150,270.89, 225,489.34 and 83,748.51

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Solution

The fourth proportional to 150,270.89, 225,489.34 and 83,748.51 is: 125,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,270.89 : 225,489.34 = 83,748.51 : x
  2. Step 2: Convert to fraction form
    150,270.89/225,489.34 = 83,748.51/x
  3. Step 3: Cross multiply
    150,270.89x = 225,489.34 × 83,748.51
  4. Step 4: Simplify right side
    150,270.89x = 18,884,396,455.25
  5. Step 5: Solve for x
    x = 18,884,396,455.25/150,270.89
  6. Step 6: Final answer
    x = 125,669.03

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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.