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Finding the Fourth Proportional to 531,172.15, 796,757.11 and 166,461.75

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Solution

The fourth proportional to 531,172.15, 796,757.11 and 166,461.75 is: 249,692.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,172.15 : 796,757.11 = 166,461.75 : x
  2. Step 2: Convert to fraction form
    531,172.15/796,757.11 = 166,461.75/x
  3. Step 3: Cross multiply
    531,172.15x = 796,757.11 × 166,461.75
  4. Step 4: Simplify right side
    531,172.15x = 132,629,582,439.39
  5. Step 5: Solve for x
    x = 132,629,582,439.39/531,172.15
  6. Step 6: Final answer
    x = 249,692.28

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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.