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Finding the Fourth Proportional to 167,912.80, 251,810.40 and 49,552.80

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Solution

The fourth proportional to 167,912.80, 251,810.40 and 49,552.80 is: 74,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,912.80 : 251,810.40 = 49,552.80 : x
  2. Step 2: Convert to fraction form
    167,912.80/251,810.40 = 49,552.80/x
  3. Step 3: Cross multiply
    167,912.80x = 251,810.40 × 49,552.80
  4. Step 4: Simplify right side
    167,912.80x = 12,477,910,389.12
  5. Step 5: Solve for x
    x = 12,477,910,389.12/167,912.80
  6. Step 6: Final answer
    x = 74,311.85

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1.5x scale

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.