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Finding the Fourth Proportional to 146,558.40, 219,967.20 and 125,563.20

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Solution

The fourth proportional to 146,558.40, 219,967.20 and 125,563.20 is: 188,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,558.40 : 219,967.20 = 125,563.20 : x
  2. Step 2: Convert to fraction form
    146,558.40/219,967.20 = 125,563.20/x
  3. Step 3: Cross multiply
    146,558.40x = 219,967.20 × 125,563.20
  4. Step 4: Simplify right side
    146,558.40x = 27,619,785,527.04
  5. Step 5: Solve for x
    x = 27,619,785,527.04/146,558.40
  6. Step 6: Final answer
    x = 188,455.83

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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.