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Finding the Fourth Proportional to 178,667.52, 267,960.35 and 106,640.75

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Solution

The fourth proportional to 178,667.52, 267,960.35 and 106,640.75 is: 159,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,667.52 : 267,960.35 = 106,640.75 : x
  2. Step 2: Convert to fraction form
    178,667.52/267,960.35 = 106,640.75/x
  3. Step 3: Cross multiply
    178,667.52x = 267,960.35 × 106,640.75
  4. Step 4: Simplify right side
    178,667.52x = 28,575,492,694.26
  5. Step 5: Solve for x
    x = 28,575,492,694.26/178,667.52
  6. Step 6: Final answer
    x = 159,936.70

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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.