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Finding the Fourth Proportional to 158,672.70, 237,859.69 and 53,418.14

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Solution

The fourth proportional to 158,672.70, 237,859.69 and 53,418.14 is: 80,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,672.70 : 237,859.69 = 53,418.14 : x
  2. Step 2: Convert to fraction form
    158,672.70/237,859.69 = 53,418.14/x
  3. Step 3: Cross multiply
    158,672.70x = 237,859.69 × 53,418.14
  4. Step 4: Simplify right side
    158,672.70x = 12,706,022,220.78
  5. Step 5: Solve for x
    x = 12,706,022,220.78/158,672.70
  6. Step 6: Final answer
    x = 80,076.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.