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Finding the Fourth Proportional to 201,525.85, 278,105.61 and 110,879.92

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Solution

The fourth proportional to 201,525.85, 278,105.61 and 110,879.92 is: 153,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,525.85 : 278,105.61 = 110,879.92 : x
  2. Step 2: Convert to fraction form
    201,525.85/278,105.61 = 110,879.92/x
  3. Step 3: Cross multiply
    201,525.85x = 278,105.61 × 110,879.92
  4. Step 4: Simplify right side
    201,525.85x = 30,836,327,788.35
  5. Step 5: Solve for x
    x = 30,836,327,788.35/201,525.85
  6. Step 6: Final answer
    x = 153,014.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.