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Finding the Fourth Proportional to 146,263, 201,842.94 and 79,195

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Solution

The fourth proportional to 146,263, 201,842.94 and 79,195 is: 109,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,263 : 201,842.94 = 79,195 : x
  2. Step 2: Convert to fraction form
    146,263/201,842.94 = 79,195/x
  3. Step 3: Cross multiply
    146,263x = 201,842.94 × 79,195
  4. Step 4: Simplify right side
    146,263x = 15,984,951,633.30
  5. Step 5: Solve for x
    x = 15,984,951,633.30/146,263
  6. Step 6: Final answer
    x = 109,289.10

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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.