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Finding the Fourth Proportional to 73,475.20, 101,395.20 and 39,941.12

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Solution

The fourth proportional to 73,475.20, 101,395.20 and 39,941.12 is: 55,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,475.20 : 101,395.20 = 39,941.12 : x
  2. Step 2: Convert to fraction form
    73,475.20/101,395.20 = 39,941.12/x
  3. Step 3: Cross multiply
    73,475.20x = 101,395.20 × 39,941.12
  4. Step 4: Simplify right side
    73,475.20x = 4,049,837,850.62
  5. Step 5: Solve for x
    x = 4,049,837,850.62/73,475.20
  6. Step 6: Final answer
    x = 55,118.43

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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.