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Finding the Fourth Proportional to 255,101.82, 382,209.45 and 179,039.10

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Solution

The fourth proportional to 255,101.82, 382,209.45 and 179,039.10 is: 268,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,101.82 : 382,209.45 = 179,039.10 : x
  2. Step 2: Convert to fraction form
    255,101.82/382,209.45 = 179,039.10/x
  3. Step 3: Cross multiply
    255,101.82x = 382,209.45 × 179,039.10
  4. Step 4: Simplify right side
    255,101.82x = 68,430,435,939.50
  5. Step 5: Solve for x
    x = 68,430,435,939.50/255,101.82
  6. Step 6: Final answer
    x = 268,247.54

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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.