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Finding the Fourth Proportional to 126,584.67, 174,679.64 and 69,213.29

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Solution

The fourth proportional to 126,584.67, 174,679.64 and 69,213.29 is: 95,510.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,584.67 : 174,679.64 = 69,213.29 : x
  2. Step 2: Convert to fraction form
    126,584.67/174,679.64 = 69,213.29/x
  3. Step 3: Cross multiply
    126,584.67x = 174,679.64 × 69,213.29
  4. Step 4: Simplify right side
    126,584.67x = 12,090,151,620.50
  5. Step 5: Solve for x
    x = 12,090,151,620.50/126,584.67
  6. Step 6: Final answer
    x = 95,510.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.