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Finding the Fourth Proportional to 164,855.20, 246,991.20 and 141,527.20

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Solution

The fourth proportional to 164,855.20, 246,991.20 and 141,527.20 is: 212,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,855.20 : 246,991.20 = 141,527.20 : x
  2. Step 2: Convert to fraction form
    164,855.20/246,991.20 = 141,527.20/x
  3. Step 3: Cross multiply
    164,855.20x = 246,991.20 × 141,527.20
  4. Step 4: Simplify right side
    164,855.20x = 34,955,972,960.64
  5. Step 5: Solve for x
    x = 34,955,972,960.64/164,855.20
  6. Step 6: Final answer
    x = 212,040.46

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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.