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Finding the Fourth Proportional to 248,864.80, 373,297.20 and 185,879.20

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Solution

The fourth proportional to 248,864.80, 373,297.20 and 185,879.20 is: 278,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,864.80 : 373,297.20 = 185,879.20 : x
  2. Step 2: Convert to fraction form
    248,864.80/373,297.20 = 185,879.20/x
  3. Step 3: Cross multiply
    248,864.80x = 373,297.20 × 185,879.20
  4. Step 4: Simplify right side
    248,864.80x = 69,388,184,898.24
  5. Step 5: Solve for x
    x = 69,388,184,898.24/248,864.80
  6. Step 6: Final answer
    x = 278,818.80

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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.