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Finding the Fourth Proportional to 248,801.86, 373,191.45 and 80,329.96

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Solution

The fourth proportional to 248,801.86, 373,191.45 and 80,329.96 is: 120,491.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,801.86 : 373,191.45 = 80,329.96 : x
  2. Step 2: Convert to fraction form
    248,801.86/373,191.45 = 80,329.96/x
  3. Step 3: Cross multiply
    248,801.86x = 373,191.45 × 80,329.96
  4. Step 4: Simplify right side
    248,801.86x = 29,978,454,250.84
  5. Step 5: Solve for x
    x = 29,978,454,250.84/248,801.86
  6. Step 6: Final answer
    x = 120,491.28

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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.