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Finding the Fourth Proportional to 167,493.40, 231,138.27 and 92,040.28

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Solution

The fourth proportional to 167,493.40, 231,138.27 and 92,040.28 is: 127,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,493.40 : 231,138.27 = 92,040.28 : x
  2. Step 2: Convert to fraction form
    167,493.40/231,138.27 = 92,040.28/x
  3. Step 3: Cross multiply
    167,493.40x = 231,138.27 × 92,040.28
  4. Step 4: Simplify right side
    167,493.40x = 21,274,031,089.52
  5. Step 5: Solve for x
    x = 21,274,031,089.52/167,493.40
  6. Step 6: Final answer
    x = 127,014.15

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1.5x scale

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.