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Finding the Fourth Proportional to 70,651.44, 105,995.79 and 41,040.81

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Solution

The fourth proportional to 70,651.44, 105,995.79 and 41,040.81 is: 61,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,651.44 : 105,995.79 = 41,040.81 : x
  2. Step 2: Convert to fraction form
    70,651.44/105,995.79 = 41,040.81/x
  3. Step 3: Cross multiply
    70,651.44x = 105,995.79 × 41,040.81
  4. Step 4: Simplify right side
    70,651.44x = 4,350,153,078.19
  5. Step 5: Solve for x
    x = 4,350,153,078.19/70,651.44
  6. Step 6: Final answer
    x = 61,572.04

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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.