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Finding the Fourth Proportional to 255,751.06, 383,758.36 and 113,694.34

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Solution

The fourth proportional to 255,751.06, 383,758.36 and 113,694.34 is: 170,600.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,751.06 : 383,758.36 = 113,694.34 : x
  2. Step 2: Convert to fraction form
    255,751.06/383,758.36 = 113,694.34/x
  3. Step 3: Cross multiply
    255,751.06x = 383,758.36 × 113,694.34
  4. Step 4: Simplify right side
    255,751.06x = 43,631,153,459.68
  5. Step 5: Solve for x
    x = 43,631,153,459.68/255,751.06
  6. Step 6: Final answer
    x = 170,600.09

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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.