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Finding the Fourth Proportional to 73,016.64, 100,763.19 and 41,185.53

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Solution

The fourth proportional to 73,016.64, 100,763.19 and 41,185.53 is: 56,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,016.64 : 100,763.19 = 41,185.53 : x
  2. Step 2: Convert to fraction form
    73,016.64/100,763.19 = 41,185.53/x
  3. Step 3: Cross multiply
    73,016.64x = 100,763.19 × 41,185.53
  4. Step 4: Simplify right side
    73,016.64x = 4,149,985,384.64
  5. Step 5: Solve for x
    x = 4,149,985,384.64/73,016.64
  6. Step 6: Final answer
    x = 56,836.16

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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.