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Finding the Fourth Proportional to 79,793.32, 110,113.41 and 43,986.66

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Solution

The fourth proportional to 79,793.32, 110,113.41 and 43,986.66 is: 60,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,793.32 : 110,113.41 = 43,986.66 : x
  2. Step 2: Convert to fraction form
    79,793.32/110,113.41 = 43,986.66/x
  3. Step 3: Cross multiply
    79,793.32x = 110,113.41 × 43,986.66
  4. Step 4: Simplify right side
    79,793.32x = 4,843,520,907.18
  5. Step 5: Solve for x
    x = 4,843,520,907.18/79,793.32
  6. Step 6: Final answer
    x = 60,700.84

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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.