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Finding the Fourth Proportional to 248,716.66, 373,147.95 and 80,233.66

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Solution

The fourth proportional to 248,716.66, 373,147.95 and 80,233.66 is: 120,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,716.66 : 373,147.95 = 80,233.66 : x
  2. Step 2: Convert to fraction form
    248,716.66/373,147.95 = 80,233.66/x
  3. Step 3: Cross multiply
    248,716.66x = 373,147.95 × 80,233.66
  4. Step 4: Simplify right side
    248,716.66x = 29,939,025,750.00
  5. Step 5: Solve for x
    x = 29,939,025,750.00/248,716.66
  6. Step 6: Final answer
    x = 120,374.03

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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.