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Finding the Fourth Proportional to 136,325, 204,487.50 and 62,453

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Solution

The fourth proportional to 136,325, 204,487.50 and 62,453 is: 93,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,325 : 204,487.50 = 62,453 : x
  2. Step 2: Convert to fraction form
    136,325/204,487.50 = 62,453/x
  3. Step 3: Cross multiply
    136,325x = 204,487.50 × 62,453
  4. Step 4: Simplify right side
    136,325x = 12,770,857,837.50
  5. Step 5: Solve for x
    x = 12,770,857,837.50/136,325
  6. Step 6: Final answer
    x = 93,679.50

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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.