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Finding the Fourth Proportional to 609,361.36, 914,032.26 and 166,129.36

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Solution

The fourth proportional to 609,361.36, 914,032.26 and 166,129.36 is: 249,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,361.36 : 914,032.26 = 166,129.36 : x
  2. Step 2: Convert to fraction form
    609,361.36/914,032.26 = 166,129.36/x
  3. Step 3: Cross multiply
    609,361.36x = 914,032.26 × 166,129.36
  4. Step 4: Simplify right side
    609,361.36x = 151,847,594,373.15
  5. Step 5: Solve for x
    x = 151,847,594,373.15/609,361.36
  6. Step 6: Final answer
    x = 249,191.37

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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.