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Finding the Fourth Proportional to 73,960.36, 102,040.36 and 42,106.71

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Solution

The fourth proportional to 73,960.36, 102,040.36 and 42,106.71 is: 58,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,960.36 : 102,040.36 = 42,106.71 : x
  2. Step 2: Convert to fraction form
    73,960.36/102,040.36 = 42,106.71/x
  3. Step 3: Cross multiply
    73,960.36x = 102,040.36 × 42,106.71
  4. Step 4: Simplify right side
    73,960.36x = 4,296,583,846.82
  5. Step 5: Solve for x
    x = 4,296,583,846.82/73,960.36
  6. Step 6: Final answer
    x = 58,093.06

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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.