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Finding the Fourth Proportional to 167,551.30, 251,363.40 and 55,212.40

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Solution

The fourth proportional to 167,551.30, 251,363.40 and 55,212.40 is: 82,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,551.30 : 251,363.40 = 55,212.40 : x
  2. Step 2: Convert to fraction form
    167,551.30/251,363.40 = 55,212.40/x
  3. Step 3: Cross multiply
    167,551.30x = 251,363.40 × 55,212.40
  4. Step 4: Simplify right side
    167,551.30x = 13,878,376,586.16
  5. Step 5: Solve for x
    x = 13,878,376,586.16/167,551.30
  6. Step 6: Final answer
    x = 82,830.61

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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.