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Finding the Fourth Proportional to 98,267, 135,630.36 and 62,450

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Solution

The fourth proportional to 98,267, 135,630.36 and 62,450 is: 86,194.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,267 : 135,630.36 = 62,450 : x
  2. Step 2: Convert to fraction form
    98,267/135,630.36 = 62,450/x
  3. Step 3: Cross multiply
    98,267x = 135,630.36 × 62,450
  4. Step 4: Simplify right side
    98,267x = 8,470,115,982.00
  5. Step 5: Solve for x
    x = 8,470,115,982.00/98,267
  6. Step 6: Final answer
    x = 86,194.92

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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.