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Finding the Fourth Proportional to 79,818.95, 110,149.50 and 44,008.21

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Solution

The fourth proportional to 79,818.95, 110,149.50 and 44,008.21 is: 60,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,818.95 : 110,149.50 = 44,008.21 : x
  2. Step 2: Convert to fraction form
    79,818.95/110,149.50 = 44,008.21/x
  3. Step 3: Cross multiply
    79,818.95x = 110,149.50 × 44,008.21
  4. Step 4: Simplify right side
    79,818.95x = 4,847,482,630.11
  5. Step 5: Solve for x
    x = 4,847,482,630.11/79,818.95
  6. Step 6: Final answer
    x = 60,730.97

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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.