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Finding the Fourth Proportional to 79,808.92, 110,137.01 and 44,000.20

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Solution

The fourth proportional to 79,808.92, 110,137.01 and 44,000.20 is: 60,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,808.92 : 110,137.01 = 44,000.20 : x
  2. Step 2: Convert to fraction form
    79,808.92/110,137.01 = 44,000.20/x
  3. Step 3: Cross multiply
    79,808.92x = 110,137.01 × 44,000.20
  4. Step 4: Simplify right side
    79,808.92x = 4,846,050,467.40
  5. Step 5: Solve for x
    x = 4,846,050,467.40/79,808.92
  6. Step 6: Final answer
    x = 60,720.66

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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.