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Finding the Fourth Proportional to 146,246.79, 201,819.02 and 82,580.79

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Solution

The fourth proportional to 146,246.79, 201,819.02 and 82,580.79 is: 113,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,246.79 : 201,819.02 = 82,580.79 : x
  2. Step 2: Convert to fraction form
    146,246.79/201,819.02 = 82,580.79/x
  3. Step 3: Cross multiply
    146,246.79x = 201,819.02 × 82,580.79
  4. Step 4: Simplify right side
    146,246.79x = 16,666,373,695.72
  5. Step 5: Solve for x
    x = 16,666,373,695.72/146,246.79
  6. Step 6: Final answer
    x = 113,960.61

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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.