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Finding the Fourth Proportional to 255,600.96, 383,348.64 and 68,568

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Solution

The fourth proportional to 255,600.96, 383,348.64 and 68,568 is: 102,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,600.96 : 383,348.64 = 68,568 : x
  2. Step 2: Convert to fraction form
    255,600.96/383,348.64 = 68,568/x
  3. Step 3: Cross multiply
    255,600.96x = 383,348.64 × 68,568
  4. Step 4: Simplify right side
    255,600.96x = 26,285,449,547.52
  5. Step 5: Solve for x
    x = 26,285,449,547.52/255,600.96
  6. Step 6: Final answer
    x = 102,837.84

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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.