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Finding the Fourth Proportional to 146,754.40, 220,131.60 and 144,786.10

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Solution

The fourth proportional to 146,754.40, 220,131.60 and 144,786.10 is: 217,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,754.40 : 220,131.60 = 144,786.10 : x
  2. Step 2: Convert to fraction form
    146,754.40/220,131.60 = 144,786.10/x
  3. Step 3: Cross multiply
    146,754.40x = 220,131.60 × 144,786.10
  4. Step 4: Simplify right side
    146,754.40x = 31,871,995,850.76
  5. Step 5: Solve for x
    x = 31,871,995,850.76/146,754.40
  6. Step 6: Final answer
    x = 217,179.15

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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.