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Finding the Fourth Proportional to 481,683.60, 722,355.30 and 166,067.10

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Solution

The fourth proportional to 481,683.60, 722,355.30 and 166,067.10 is: 249,042.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,683.60 : 722,355.30 = 166,067.10 : x
  2. Step 2: Convert to fraction form
    481,683.60/722,355.30 = 166,067.10/x
  3. Step 3: Cross multiply
    481,683.60x = 722,355.30 × 166,067.10
  4. Step 4: Simplify right side
    481,683.60x = 119,959,449,840.63
  5. Step 5: Solve for x
    x = 119,959,449,840.63/481,683.60
  6. Step 6: Final answer
    x = 249,042.01

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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.