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Finding the Fourth Proportional to 171,855, 237,161.52 and 96,405.12

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Solution

The fourth proportional to 171,855, 237,161.52 and 96,405.12 is: 133,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,855 : 237,161.52 = 96,405.12 : x
  2. Step 2: Convert to fraction form
    171,855/237,161.52 = 96,405.12/x
  3. Step 3: Cross multiply
    171,855x = 237,161.52 × 96,405.12
  4. Step 4: Simplify right side
    171,855x = 22,863,584,794.98
  5. Step 5: Solve for x
    x = 22,863,584,794.98/171,855
  6. Step 6: Final answer
    x = 133,039.97

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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.