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Finding the Fourth Proportional to 231,854.94, 347,329.62 and 159,794.96

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Solution

The fourth proportional to 231,854.94, 347,329.62 and 159,794.96 is: 239,380.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,854.94 : 347,329.62 = 159,794.96 : x
  2. Step 2: Convert to fraction form
    231,854.94/347,329.62 = 159,794.96/x
  3. Step 3: Cross multiply
    231,854.94x = 347,329.62 × 159,794.96
  4. Step 4: Simplify right side
    231,854.94x = 55,501,521,597.30
  5. Step 5: Solve for x
    x = 55,501,521,597.30/231,854.94
  6. Step 6: Final answer
    x = 239,380.38

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1.5x scale

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.