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Finding the Fourth Proportional to 234,168.60, 322,933.36 and 155,447.36

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Solution

The fourth proportional to 234,168.60, 322,933.36 and 155,447.36 is: 214,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,168.60 : 322,933.36 = 155,447.36 : x
  2. Step 2: Convert to fraction form
    234,168.60/322,933.36 = 155,447.36/x
  3. Step 3: Cross multiply
    234,168.60x = 322,933.36 × 155,447.36
  4. Step 4: Simplify right side
    234,168.60x = 50,199,138,267.93
  5. Step 5: Solve for x
    x = 50,199,138,267.93/234,168.60
  6. Step 6: Final answer
    x = 214,371.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.