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Finding the Fourth Proportional to 167,538.70, 251,307.55 and 67,697.74

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Solution

The fourth proportional to 167,538.70, 251,307.55 and 67,697.74 is: 101,546.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,538.70 : 251,307.55 = 67,697.74 : x
  2. Step 2: Convert to fraction form
    167,538.70/251,307.55 = 67,697.74/x
  3. Step 3: Cross multiply
    167,538.70x = 251,307.55 × 67,697.74
  4. Step 4: Simplify right side
    167,538.70x = 17,012,953,179.94
  5. Step 5: Solve for x
    x = 17,012,953,179.94/167,538.70
  6. Step 6: Final answer
    x = 101,546.41

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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.