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Finding the Fourth Proportional to 255,514.86, 383,155.49 and 95,473.44

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Solution

The fourth proportional to 255,514.86, 383,155.49 and 95,473.44 is: 143,166.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,514.86 : 383,155.49 = 95,473.44 : x
  2. Step 2: Convert to fraction form
    255,514.86/383,155.49 = 95,473.44/x
  3. Step 3: Cross multiply
    255,514.86x = 383,155.49 × 95,473.44
  4. Step 4: Simplify right side
    255,514.86x = 36,581,172,685.19
  5. Step 5: Solve for x
    x = 36,581,172,685.19/255,514.86
  6. Step 6: Final answer
    x = 143,166.52

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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.