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Finding the Fourth Proportional to 248,751.80, 373,200.62 and 80,298.12

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Solution

The fourth proportional to 248,751.80, 373,200.62 and 80,298.12 is: 120,470.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,751.80 : 373,200.62 = 80,298.12 : x
  2. Step 2: Convert to fraction form
    248,751.80/373,200.62 = 80,298.12/x
  3. Step 3: Cross multiply
    248,751.80x = 373,200.62 × 80,298.12
  4. Step 4: Simplify right side
    248,751.80x = 29,967,308,168.83
  5. Step 5: Solve for x
    x = 29,967,308,168.83/248,751.80
  6. Step 6: Final answer
    x = 120,470.72

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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.