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Finding the Fourth Proportional to 167,429.70, 251,144.55 and 100,835.55

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Solution

The fourth proportional to 167,429.70, 251,144.55 and 100,835.55 is: 151,253.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,429.70 : 251,144.55 = 100,835.55 : x
  2. Step 2: Convert to fraction form
    167,429.70/251,144.55 = 100,835.55/x
  3. Step 3: Cross multiply
    167,429.70x = 251,144.55 × 100,835.55
  4. Step 4: Simplify right side
    167,429.70x = 25,324,298,828.75
  5. Step 5: Solve for x
    x = 25,324,298,828.75/167,429.70
  6. Step 6: Final answer
    x = 151,253.33

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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.