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Finding the Fourth Proportional to 245,418.70, 367,912.05 and 166,276.30

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Solution

The fourth proportional to 245,418.70, 367,912.05 and 166,276.30 is: 249,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,418.70 : 367,912.05 = 166,276.30 : x
  2. Step 2: Convert to fraction form
    245,418.70/367,912.05 = 166,276.30/x
  3. Step 3: Cross multiply
    245,418.70x = 367,912.05 × 166,276.30
  4. Step 4: Simplify right side
    245,418.70x = 61,175,054,399.42
  5. Step 5: Solve for x
    x = 61,175,054,399.42/245,418.70
  6. Step 6: Final answer
    x = 249,268.11

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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.