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Finding the Fourth Proportional to 167,630.40, 251,498.08 and 55,389.48

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Solution

The fourth proportional to 167,630.40, 251,498.08 and 55,389.48 is: 83,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,630.40 : 251,498.08 = 55,389.48 : x
  2. Step 2: Convert to fraction form
    167,630.40/251,498.08 = 55,389.48/x
  3. Step 3: Cross multiply
    167,630.40x = 251,498.08 × 55,389.48
  4. Step 4: Simplify right side
    167,630.40x = 13,930,347,872.20
  5. Step 5: Solve for x
    x = 13,930,347,872.20/167,630.40
  6. Step 6: Final answer
    x = 83,101.56

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1.5x scale

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.