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Finding the Fourth Proportional to 335,164.80, 502,463.94 and 145,481.70

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Solution

The fourth proportional to 335,164.80, 502,463.94 and 145,481.70 is: 218,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,164.80 : 502,463.94 = 145,481.70 : x
  2. Step 2: Convert to fraction form
    335,164.80/502,463.94 = 145,481.70/x
  3. Step 3: Cross multiply
    335,164.80x = 502,463.94 × 145,481.70
  4. Step 4: Simplify right side
    335,164.80x = 73,099,308,179.90
  5. Step 5: Solve for x
    x = 73,099,308,179.90/335,164.80
  6. Step 6: Final answer
    x = 218,099.60

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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.