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Finding the Fourth Proportional to 371,871.37, 557,843.96 and 119,088.37

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Solution

The fourth proportional to 371,871.37, 557,843.96 and 119,088.37 is: 178,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,871.37 : 557,843.96 = 119,088.37 : x
  2. Step 2: Convert to fraction form
    371,871.37/557,843.96 = 119,088.37/x
  3. Step 3: Cross multiply
    371,871.37x = 557,843.96 × 119,088.37
  4. Step 4: Simplify right side
    371,871.37x = 66,432,727,910.75
  5. Step 5: Solve for x
    x = 66,432,727,910.75/371,871.37
  6. Step 6: Final answer
    x = 178,644.37

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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.