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Finding the Fourth Proportional to 73,753.44, 101,777.04 and 40,218.72

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Solution

The fourth proportional to 73,753.44, 101,777.04 and 40,218.72 is: 55,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,753.44 : 101,777.04 = 40,218.72 : x
  2. Step 2: Convert to fraction form
    73,753.44/101,777.04 = 40,218.72/x
  3. Step 3: Cross multiply
    73,753.44x = 101,777.04 × 40,218.72
  4. Step 4: Simplify right side
    73,753.44x = 4,093,342,274.19
  5. Step 5: Solve for x
    x = 4,093,342,274.19/73,753.44
  6. Step 6: Final answer
    x = 55,500.36

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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.