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Finding the Fourth Proportional to 79,343.52, 119,026.39 and 23,187.75

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Solution

The fourth proportional to 79,343.52, 119,026.39 and 23,187.75 is: 34,784.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,343.52 : 119,026.39 = 23,187.75 : x
  2. Step 2: Convert to fraction form
    79,343.52/119,026.39 = 23,187.75/x
  3. Step 3: Cross multiply
    79,343.52x = 119,026.39 × 23,187.75
  4. Step 4: Simplify right side
    79,343.52x = 2,759,953,579.59
  5. Step 5: Solve for x
    x = 2,759,953,579.59/79,343.52
  6. Step 6: Final answer
    x = 34,784.87

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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.