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Finding the Fourth Proportional to 231,842.93, 347,664.12 and 80,056.02

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Solution

The fourth proportional to 231,842.93, 347,664.12 and 80,056.02 is: 120,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,842.93 : 347,664.12 = 80,056.02 : x
  2. Step 2: Convert to fraction form
    231,842.93/347,664.12 = 80,056.02/x
  3. Step 3: Cross multiply
    231,842.93x = 347,664.12 × 80,056.02
  4. Step 4: Simplify right side
    231,842.93x = 27,832,604,005.68
  5. Step 5: Solve for x
    x = 27,832,604,005.68/231,842.93
  6. Step 6: Final answer
    x = 120,049.40

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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.