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Finding the Fourth Proportional to 116,074.68, 174,161.26 and 63,422.64

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Solution

The fourth proportional to 116,074.68, 174,161.26 and 63,422.64 is: 95,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,074.68 : 174,161.26 = 63,422.64 : x
  2. Step 2: Convert to fraction form
    116,074.68/174,161.26 = 63,422.64/x
  3. Step 3: Cross multiply
    116,074.68x = 174,161.26 × 63,422.64
  4. Step 4: Simplify right side
    116,074.68x = 11,045,766,894.93
  5. Step 5: Solve for x
    x = 11,045,766,894.93/116,074.68
  6. Step 6: Final answer
    x = 95,160.86

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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.