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Finding the Fourth Proportional to 73,997.80, 110,931.90 and 44,384.20

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Solution

The fourth proportional to 73,997.80, 110,931.90 and 44,384.20 is: 66,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,997.80 : 110,931.90 = 44,384.20 : x
  2. Step 2: Convert to fraction form
    73,997.80/110,931.90 = 44,384.20/x
  3. Step 3: Cross multiply
    73,997.80x = 110,931.90 × 44,384.20
  4. Step 4: Simplify right side
    73,997.80x = 4,923,623,635.98
  5. Step 5: Solve for x
    x = 4,923,623,635.98/73,997.80
  6. Step 6: Final answer
    x = 66,537.43

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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.