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Finding the Fourth Proportional to 231,737.76, 347,644.31 and 71,776.33

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Solution

The fourth proportional to 231,737.76, 347,644.31 and 71,776.33 is: 107,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,737.76 : 347,644.31 = 71,776.33 : x
  2. Step 2: Convert to fraction form
    231,737.76/347,644.31 = 71,776.33/x
  3. Step 3: Cross multiply
    231,737.76x = 347,644.31 × 71,776.33
  4. Step 4: Simplify right side
    231,737.76x = 24,952,631,489.19
  5. Step 5: Solve for x
    x = 24,952,631,489.19/231,737.76
  6. Step 6: Final answer
    x = 107,676.16

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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.