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Finding the Fourth Proportional to 173,161.81, 238,960.97 and 96,682.08

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Solution

The fourth proportional to 173,161.81, 238,960.97 and 96,682.08 is: 133,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,161.81 : 238,960.97 = 96,682.08 : x
  2. Step 2: Convert to fraction form
    173,161.81/238,960.97 = 96,682.08/x
  3. Step 3: Cross multiply
    173,161.81x = 238,960.97 × 96,682.08
  4. Step 4: Simplify right side
    173,161.81x = 23,103,243,618.42
  5. Step 5: Solve for x
    x = 23,103,243,618.42/173,161.81
  6. Step 6: Final answer
    x = 133,419.97

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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.