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Finding the Fourth Proportional to 255,512.86, 383,152.49 and 95,471.44

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Solution

The fourth proportional to 255,512.86, 383,152.49 and 95,471.44 is: 143,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,512.86 : 383,152.49 = 95,471.44 : x
  2. Step 2: Convert to fraction form
    255,512.86/383,152.49 = 95,471.44/x
  3. Step 3: Cross multiply
    255,512.86x = 383,152.49 × 95,471.44
  4. Step 4: Simplify right side
    255,512.86x = 36,580,118,882.67
  5. Step 5: Solve for x
    x = 36,580,118,882.67/255,512.86
  6. Step 6: Final answer
    x = 143,163.52

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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.