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Finding the Fourth Proportional to 171,898.81, 237,138.03 and 102,954.95

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Solution

The fourth proportional to 171,898.81, 237,138.03 and 102,954.95 is: 142,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,898.81 : 237,138.03 = 102,954.95 : x
  2. Step 2: Convert to fraction form
    171,898.81/237,138.03 = 102,954.95/x
  3. Step 3: Cross multiply
    171,898.81x = 237,138.03 × 102,954.95
  4. Step 4: Simplify right side
    171,898.81x = 24,414,533,725.33
  5. Step 5: Solve for x
    x = 24,414,533,725.33/171,898.81
  6. Step 6: Final answer
    x = 142,028.52

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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.