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Finding the Fourth Proportional to 167,487.78, 251,280.54 and 67,596.96

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Solution

The fourth proportional to 167,487.78, 251,280.54 and 67,596.96 is: 101,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,487.78 : 251,280.54 = 67,596.96 : x
  2. Step 2: Convert to fraction form
    167,487.78/251,280.54 = 67,596.96/x
  3. Step 3: Cross multiply
    167,487.78x = 251,280.54 × 67,596.96
  4. Step 4: Simplify right side
    167,487.78x = 16,985,800,611.16
  5. Step 5: Solve for x
    x = 16,985,800,611.16/167,487.78
  6. Step 6: Final answer
    x = 101,415.16

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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.