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Finding the Fourth Proportional to 163,028.88, 244,182 and 125,311.20

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Solution

The fourth proportional to 163,028.88, 244,182 and 125,311.20 is: 187,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,028.88 : 244,182 = 125,311.20 : x
  2. Step 2: Convert to fraction form
    163,028.88/244,182 = 125,311.20/x
  3. Step 3: Cross multiply
    163,028.88x = 244,182 × 125,311.20
  4. Step 4: Simplify right side
    163,028.88x = 30,598,739,438.40
  5. Step 5: Solve for x
    x = 30,598,739,438.40/163,028.88
  6. Step 6: Final answer
    x = 187,689.07

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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.