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Finding the Fourth Proportional to 73,016.10, 100,760.04 and 40,751.64

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Solution

The fourth proportional to 73,016.10, 100,760.04 and 40,751.64 is: 56,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,016.10 : 100,760.04 = 40,751.64 : x
  2. Step 2: Convert to fraction form
    73,016.10/100,760.04 = 40,751.64/x
  3. Step 3: Cross multiply
    73,016.10x = 100,760.04 × 40,751.64
  4. Step 4: Simplify right side
    73,016.10x = 4,106,136,876.47
  5. Step 5: Solve for x
    x = 4,106,136,876.47/73,016.10
  6. Step 6: Final answer
    x = 56,236.05

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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.