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Finding the Fourth Proportional to 255,179.58, 382,793.22 and 75,265.18

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Solution

The fourth proportional to 255,179.58, 382,793.22 and 75,265.18 is: 112,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,179.58 : 382,793.22 = 75,265.18 : x
  2. Step 2: Convert to fraction form
    255,179.58/382,793.22 = 75,265.18/x
  3. Step 3: Cross multiply
    255,179.58x = 382,793.22 × 75,265.18
  4. Step 4: Simplify right side
    255,179.58x = 28,811,001,374.90
  5. Step 5: Solve for x
    x = 28,811,001,374.90/255,179.58
  6. Step 6: Final answer
    x = 112,904.81

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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.