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Finding the Fourth Proportional to 156,494.96, 234,744.87 and 38,168.54

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Solution

The fourth proportional to 156,494.96, 234,744.87 and 38,168.54 is: 57,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,494.96 : 234,744.87 = 38,168.54 : x
  2. Step 2: Convert to fraction form
    156,494.96/234,744.87 = 38,168.54/x
  3. Step 3: Cross multiply
    156,494.96x = 234,744.87 × 38,168.54
  4. Step 4: Simplify right side
    156,494.96x = 8,959,868,960.39
  5. Step 5: Solve for x
    x = 8,959,868,960.39/156,494.96
  6. Step 6: Final answer
    x = 57,253.40

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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.