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Finding the Fourth Proportional to 169,371.05, 233,732.05 and 93,919.55

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Solution

The fourth proportional to 169,371.05, 233,732.05 and 93,919.55 is: 129,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,371.05 : 233,732.05 = 93,919.55 : x
  2. Step 2: Convert to fraction form
    169,371.05/233,732.05 = 93,919.55/x
  3. Step 3: Cross multiply
    169,371.05x = 233,732.05 × 93,919.55
  4. Step 4: Simplify right side
    169,371.05x = 21,952,008,956.58
  5. Step 5: Solve for x
    x = 21,952,008,956.58/169,371.05
  6. Step 6: Final answer
    x = 129,608.98

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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.