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Finding the Fourth Proportional to 255,591.68, 352,718.91 and 140,874.44

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Solution

The fourth proportional to 255,591.68, 352,718.91 and 140,874.44 is: 194,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,591.68 : 352,718.91 = 140,874.44 : x
  2. Step 2: Convert to fraction form
    255,591.68/352,718.91 = 140,874.44/x
  3. Step 3: Cross multiply
    255,591.68x = 352,718.91 × 140,874.44
  4. Step 4: Simplify right side
    255,591.68x = 49,689,077,160.07
  5. Step 5: Solve for x
    x = 49,689,077,160.07/255,591.68
  6. Step 6: Final answer
    x = 194,408.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.