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Finding the Fourth Proportional to 248,872.95, 373,364.10 and 80,364.60

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Solution

The fourth proportional to 248,872.95, 373,364.10 and 80,364.60 is: 120,564.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,872.95 : 373,364.10 = 80,364.60 : x
  2. Step 2: Convert to fraction form
    248,872.95/373,364.10 = 80,364.60/x
  3. Step 3: Cross multiply
    248,872.95x = 373,364.10 × 80,364.60
  4. Step 4: Simplify right side
    248,872.95x = 30,005,256,550.86
  5. Step 5: Solve for x
    x = 30,005,256,550.86/248,872.95
  6. Step 6: Final answer
    x = 120,564.56

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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.