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Finding the Fourth Proportional to 260,786.86, 359,758.87 and 170,101.69

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Solution

The fourth proportional to 260,786.86, 359,758.87 and 170,101.69 is: 234,657.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,786.86 : 359,758.87 = 170,101.69 : x
  2. Step 2: Convert to fraction form
    260,786.86/359,758.87 = 170,101.69/x
  3. Step 3: Cross multiply
    260,786.86x = 359,758.87 × 170,101.69
  4. Step 4: Simplify right side
    260,786.86x = 61,195,591,779.49
  5. Step 5: Solve for x
    x = 61,195,591,779.49/260,786.86
  6. Step 6: Final answer
    x = 234,657.50

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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.