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Finding the Fourth Proportional to 177,344.70, 266,211.45 and 98,418.30

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Solution

The fourth proportional to 177,344.70, 266,211.45 and 98,418.30 is: 147,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,344.70 : 266,211.45 = 98,418.30 : x
  2. Step 2: Convert to fraction form
    177,344.70/266,211.45 = 98,418.30/x
  3. Step 3: Cross multiply
    177,344.70x = 266,211.45 × 98,418.30
  4. Step 4: Simplify right side
    177,344.70x = 26,200,078,349.54
  5. Step 5: Solve for x
    x = 26,200,078,349.54/177,344.70
  6. Step 6: Final answer
    x = 147,735.33

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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.