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Finding the Fourth Proportional to 167,393.64, 251,099.90 and 53,551.42

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Solution

The fourth proportional to 167,393.64, 251,099.90 and 53,551.42 is: 80,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,393.64 : 251,099.90 = 53,551.42 : x
  2. Step 2: Convert to fraction form
    167,393.64/251,099.90 = 53,551.42/x
  3. Step 3: Cross multiply
    167,393.64x = 251,099.90 × 53,551.42
  4. Step 4: Simplify right side
    167,393.64x = 13,446,756,206.86
  5. Step 5: Solve for x
    x = 13,446,756,206.86/167,393.64
  6. Step 6: Final answer
    x = 80,330.15

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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.