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Finding the Fourth Proportional to 255,755.31, 383,514.57 and 95,712.54

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Solution

The fourth proportional to 255,755.31, 383,514.57 and 95,712.54 is: 143,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,755.31 : 383,514.57 = 95,712.54 : x
  2. Step 2: Convert to fraction form
    255,755.31/383,514.57 = 95,712.54/x
  3. Step 3: Cross multiply
    255,755.31x = 383,514.57 × 95,712.54
  4. Step 4: Simplify right side
    255,755.31x = 36,707,153,621.71
  5. Step 5: Solve for x
    x = 36,707,153,621.71/255,755.31
  6. Step 6: Final answer
    x = 143,524.50

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1.5x scale

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.