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Finding the Fourth Proportional to 72,771.93, 109,119.30 and 44,704.82

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Solution

The fourth proportional to 72,771.93, 109,119.30 and 44,704.82 is: 67,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,771.93 : 109,119.30 = 44,704.82 : x
  2. Step 2: Convert to fraction form
    72,771.93/109,119.30 = 44,704.82/x
  3. Step 3: Cross multiply
    72,771.93x = 109,119.30 × 44,704.82
  4. Step 4: Simplify right side
    72,771.93x = 4,878,158,119.43
  5. Step 5: Solve for x
    x = 4,878,158,119.43/72,771.93
  6. Step 6: Final answer
    x = 67,033.51

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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.