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Finding the Fourth Proportional to 303,572.96, 455,276.30 and 114,018.68

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Solution

The fourth proportional to 303,572.96, 455,276.30 and 114,018.68 is: 170,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,572.96 : 455,276.30 = 114,018.68 : x
  2. Step 2: Convert to fraction form
    303,572.96/455,276.30 = 114,018.68/x
  3. Step 3: Cross multiply
    303,572.96x = 455,276.30 × 114,018.68
  4. Step 4: Simplify right side
    303,572.96x = 51,910,002,761.28
  5. Step 5: Solve for x
    x = 51,910,002,761.28/303,572.96
  6. Step 6: Final answer
    x = 170,996.79

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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.