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Finding the Fourth Proportional to 122,423.67, 183,524.67 and 43,519.44

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Solution

The fourth proportional to 122,423.67, 183,524.67 and 43,519.44 is: 65,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,423.67 : 183,524.67 = 43,519.44 : x
  2. Step 2: Convert to fraction form
    122,423.67/183,524.67 = 43,519.44/x
  3. Step 3: Cross multiply
    122,423.67x = 183,524.67 × 43,519.44
  4. Step 4: Simplify right side
    122,423.67x = 7,986,891,552.80
  5. Step 5: Solve for x
    x = 7,986,891,552.80/122,423.67
  6. Step 6: Final answer
    x = 65,239.77

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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.