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Finding the Fourth Proportional to 177,625, 245,122.50 and 98,137

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Solution

The fourth proportional to 177,625, 245,122.50 and 98,137 is: 135,429.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,625 : 245,122.50 = 98,137 : x
  2. Step 2: Convert to fraction form
    177,625/245,122.50 = 98,137/x
  3. Step 3: Cross multiply
    177,625x = 245,122.50 × 98,137
  4. Step 4: Simplify right side
    177,625x = 24,055,586,782.50
  5. Step 5: Solve for x
    x = 24,055,586,782.50/177,625
  6. Step 6: Final answer
    x = 135,429.06

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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.