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Finding the Fourth Proportional to 73,463.94, 110,268.90 and 43,079.22

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Solution

The fourth proportional to 73,463.94, 110,268.90 and 43,079.22 is: 64,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,463.94 : 110,268.90 = 43,079.22 : x
  2. Step 2: Convert to fraction form
    73,463.94/110,268.90 = 43,079.22/x
  3. Step 3: Cross multiply
    73,463.94x = 110,268.90 × 43,079.22
  4. Step 4: Simplify right side
    73,463.94x = 4,750,298,202.26
  5. Step 5: Solve for x
    x = 4,750,298,202.26/73,463.94
  6. Step 6: Final answer
    x = 64,661.63

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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.