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Finding the Fourth Proportional to 248,705.01, 373,119.02 and 80,243.13

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Solution

The fourth proportional to 248,705.01, 373,119.02 and 80,243.13 is: 120,384.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,705.01 : 373,119.02 = 80,243.13 : x
  2. Step 2: Convert to fraction form
    248,705.01/373,119.02 = 80,243.13/x
  3. Step 3: Cross multiply
    248,705.01x = 373,119.02 × 80,243.13
  4. Step 4: Simplify right side
    248,705.01x = 29,940,238,227.94
  5. Step 5: Solve for x
    x = 29,940,238,227.94/248,705.01
  6. Step 6: Final answer
    x = 120,384.54

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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.