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Finding the Fourth Proportional to 79,815.40, 110,146.02 and 44,006.80

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Solution

The fourth proportional to 79,815.40, 110,146.02 and 44,006.80 is: 60,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,815.40 : 110,146.02 = 44,006.80 : x
  2. Step 2: Convert to fraction form
    79,815.40/110,146.02 = 44,006.80/x
  3. Step 3: Cross multiply
    79,815.40x = 110,146.02 × 44,006.80
  4. Step 4: Simplify right side
    79,815.40x = 4,847,173,872.94
  5. Step 5: Solve for x
    x = 4,847,173,872.94/79,815.40
  6. Step 6: Final answer
    x = 60,729.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.