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Finding the Fourth Proportional to 167,210.88, 250,850.88 and 56,400

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Solution

The fourth proportional to 167,210.88, 250,850.88 and 56,400 is: 84,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,210.88 : 250,850.88 = 56,400 : x
  2. Step 2: Convert to fraction form
    167,210.88/250,850.88 = 56,400/x
  3. Step 3: Cross multiply
    167,210.88x = 250,850.88 × 56,400
  4. Step 4: Simplify right side
    167,210.88x = 14,147,989,632
  5. Step 5: Solve for x
    x = 14,147,989,632/167,210.88
  6. Step 6: Final answer
    x = 84,611.66

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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.