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Finding the Fourth Proportional to 167,353.85, 251,038.84 and 55,031.57

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Solution

The fourth proportional to 167,353.85, 251,038.84 and 55,031.57 is: 82,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,353.85 : 251,038.84 = 55,031.57 : x
  2. Step 2: Convert to fraction form
    167,353.85/251,038.84 = 55,031.57/x
  3. Step 3: Cross multiply
    167,353.85x = 251,038.84 × 55,031.57
  4. Step 4: Simplify right side
    167,353.85x = 13,815,061,986.20
  5. Step 5: Solve for x
    x = 13,815,061,986.20/167,353.85
  6. Step 6: Final answer
    x = 82,550.01

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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.