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Finding the Fourth Proportional to 167,409.60, 251,153.88 and 55,098.64

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Solution

The fourth proportional to 167,409.60, 251,153.88 and 55,098.64 is: 82,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,409.60 : 251,153.88 = 55,098.64 : x
  2. Step 2: Convert to fraction form
    167,409.60/251,153.88 = 55,098.64/x
  3. Step 3: Cross multiply
    167,409.60x = 251,153.88 × 55,098.64
  4. Step 4: Simplify right side
    167,409.60x = 13,838,237,218.72
  5. Step 5: Solve for x
    x = 13,838,237,218.72/167,409.60
  6. Step 6: Final answer
    x = 82,660.96

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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.