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Finding the Fourth Proportional to 133,842.79, 200,793.89 and 40,341.79

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Solution

The fourth proportional to 133,842.79, 200,793.89 and 40,341.79 is: 60,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,842.79 : 200,793.89 = 40,341.79 : x
  2. Step 2: Convert to fraction form
    133,842.79/200,793.89 = 40,341.79/x
  3. Step 3: Cross multiply
    133,842.79x = 200,793.89 × 40,341.79
  4. Step 4: Simplify right side
    133,842.79x = 8,100,384,943.66
  5. Step 5: Solve for x
    x = 8,100,384,943.66/133,842.79
  6. Step 6: Final answer
    x = 60,521.64

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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.