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Finding the Fourth Proportional to 167,672.40, 251,539.64 and 55,360.44

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Solution

The fourth proportional to 167,672.40, 251,539.64 and 55,360.44 is: 83,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,672.40 : 251,539.64 = 55,360.44 : x
  2. Step 2: Convert to fraction form
    167,672.40/251,539.64 = 55,360.44/x
  3. Step 3: Cross multiply
    167,672.40x = 251,539.64 × 55,360.44
  4. Step 4: Simplify right side
    167,672.40x = 13,925,345,147.84
  5. Step 5: Solve for x
    x = 13,925,345,147.84/167,672.40
  6. Step 6: Final answer
    x = 83,050.91

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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.