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Finding the Fourth Proportional to 168,735.44, 253,496.82 and 98,663.96

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Solution

The fourth proportional to 168,735.44, 253,496.82 and 98,663.96 is: 148,226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,735.44 : 253,496.82 = 98,663.96 : x
  2. Step 2: Convert to fraction form
    168,735.44/253,496.82 = 98,663.96/x
  3. Step 3: Cross multiply
    168,735.44x = 253,496.82 × 98,663.96
  4. Step 4: Simplify right side
    168,735.44x = 25,011,000,108.61
  5. Step 5: Solve for x
    x = 25,011,000,108.61/168,735.44
  6. Step 6: Final answer
    x = 148,226.12

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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.