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Finding the Fourth Proportional to 79,784.34, 119,676.90 and 23,625.51

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Solution

The fourth proportional to 79,784.34, 119,676.90 and 23,625.51 is: 35,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,784.34 : 119,676.90 = 23,625.51 : x
  2. Step 2: Convert to fraction form
    79,784.34/119,676.90 = 23,625.51/x
  3. Step 3: Cross multiply
    79,784.34x = 119,676.90 × 23,625.51
  4. Step 4: Simplify right side
    79,784.34x = 2,827,427,797.72
  5. Step 5: Solve for x
    x = 2,827,427,797.72/79,784.34
  6. Step 6: Final answer
    x = 35,438.38

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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.