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Finding the Fourth Proportional to 251,170.60, 376,410.30 and 166,690.60

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Solution

The fourth proportional to 251,170.60, 376,410.30 and 166,690.60 is: 249,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,170.60 : 376,410.30 = 166,690.60 : x
  2. Step 2: Convert to fraction form
    251,170.60/376,410.30 = 166,690.60/x
  3. Step 3: Cross multiply
    251,170.60x = 376,410.30 × 166,690.60
  4. Step 4: Simplify right side
    251,170.60x = 62,744,058,753.18
  5. Step 5: Solve for x
    x = 62,744,058,753.18/251,170.60
  6. Step 6: Final answer
    x = 249,806.54

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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.