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Finding the Fourth Proportional to 76,223.89, 114,274.78 and 36,222.80

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Solution

The fourth proportional to 76,223.89, 114,274.78 and 36,222.80 is: 54,305.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,223.89 : 114,274.78 = 36,222.80 : x
  2. Step 2: Convert to fraction form
    76,223.89/114,274.78 = 36,222.80/x
  3. Step 3: Cross multiply
    76,223.89x = 114,274.78 × 36,222.80
  4. Step 4: Simplify right side
    76,223.89x = 4,139,352,500.98
  5. Step 5: Solve for x
    x = 4,139,352,500.98/76,223.89
  6. Step 6: Final answer
    x = 54,305.19

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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.