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Finding the Fourth Proportional to 79,119.56, 118,679.22 and 23,715.56

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Solution

The fourth proportional to 79,119.56, 118,679.22 and 23,715.56 is: 35,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,119.56 : 118,679.22 = 23,715.56 : x
  2. Step 2: Convert to fraction form
    79,119.56/118,679.22 = 23,715.56/x
  3. Step 3: Cross multiply
    79,119.56x = 118,679.22 × 23,715.56
  4. Step 4: Simplify right side
    79,119.56x = 2,814,544,162.66
  5. Step 5: Solve for x
    x = 2,814,544,162.66/79,119.56
  6. Step 6: Final answer
    x = 35,573.30

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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.