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Finding the Fourth Proportional to 170,674.50, 255,989.28 and 50,728.89

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Solution

The fourth proportional to 170,674.50, 255,989.28 and 50,728.89 is: 76,086.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,674.50 : 255,989.28 = 50,728.89 : x
  2. Step 2: Convert to fraction form
    170,674.50/255,989.28 = 50,728.89/x
  3. Step 3: Cross multiply
    170,674.50x = 255,989.28 × 50,728.89
  4. Step 4: Simplify right side
    170,674.50x = 12,986,052,268.49
  5. Step 5: Solve for x
    x = 12,986,052,268.49/170,674.50
  6. Step 6: Final answer
    x = 76,086.66

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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.