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Finding the Fourth Proportional to 167,615.96, 251,423.28 and 67,774.94

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Solution

The fourth proportional to 167,615.96, 251,423.28 and 67,774.94 is: 101,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,615.96 : 251,423.28 = 67,774.94 : x
  2. Step 2: Convert to fraction form
    167,615.96/251,423.28 = 67,774.94/x
  3. Step 3: Cross multiply
    167,615.96x = 251,423.28 × 67,774.94
  4. Step 4: Simplify right side
    167,615.96x = 17,040,197,716.60
  5. Step 5: Solve for x
    x = 17,040,197,716.60/167,615.96
  6. Step 6: Final answer
    x = 101,662.14

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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.