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Finding the Fourth Proportional to 174,236.67, 261,284.65 and 67,564.46

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Solution

The fourth proportional to 174,236.67, 261,284.65 and 67,564.46 is: 101,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,236.67 : 261,284.65 = 67,564.46 : x
  2. Step 2: Convert to fraction form
    174,236.67/261,284.65 = 67,564.46/x
  3. Step 3: Cross multiply
    174,236.67x = 261,284.65 × 67,564.46
  4. Step 4: Simplify right side
    174,236.67x = 17,653,556,311.70
  5. Step 5: Solve for x
    x = 17,653,556,311.70/174,236.67
  6. Step 6: Final answer
    x = 101,319.41

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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.