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Finding the Fourth Proportional to 236,534.40, 355,211.20 and 166,902.40

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Solution

The fourth proportional to 236,534.40, 355,211.20 and 166,902.40 is: 250,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,534.40 : 355,211.20 = 166,902.40 : x
  2. Step 2: Convert to fraction form
    236,534.40/355,211.20 = 166,902.40/x
  3. Step 3: Cross multiply
    236,534.40x = 355,211.20 × 166,902.40
  4. Step 4: Simplify right side
    236,534.40x = 59,285,601,786.88
  5. Step 5: Solve for x
    x = 59,285,601,786.88/236,534.40
  6. Step 6: Final answer
    x = 250,642.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.