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Finding the Fourth Proportional to 167,478.34, 250,638.24 and 103,410.16

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Solution

The fourth proportional to 167,478.34, 250,638.24 and 103,410.16 is: 154,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,478.34 : 250,638.24 = 103,410.16 : x
  2. Step 2: Convert to fraction form
    167,478.34/250,638.24 = 103,410.16/x
  3. Step 3: Cross multiply
    167,478.34x = 250,638.24 × 103,410.16
  4. Step 4: Simplify right side
    167,478.34x = 25,918,540,500.52
  5. Step 5: Solve for x
    x = 25,918,540,500.52/167,478.34
  6. Step 6: Final answer
    x = 154,757.57

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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.