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Finding the Fourth Proportional to 255,216.38, 382,795.38 and 68,242.46

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Solution

The fourth proportional to 255,216.38, 382,795.38 and 68,242.46 is: 102,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,216.38 : 382,795.38 = 68,242.46 : x
  2. Step 2: Convert to fraction form
    255,216.38/382,795.38 = 68,242.46/x
  3. Step 3: Cross multiply
    255,216.38x = 382,795.38 × 68,242.46
  4. Step 4: Simplify right side
    255,216.38x = 26,122,896,493.86
  5. Step 5: Solve for x
    x = 26,122,896,493.86/255,216.38
  6. Step 6: Final answer
    x = 102,355.88

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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.