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Finding the Fourth Proportional to 79,224.83, 118,862.65 and 23,068.31

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Solution

The fourth proportional to 79,224.83, 118,862.65 and 23,068.31 is: 34,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224.83 : 118,862.65 = 23,068.31 : x
  2. Step 2: Convert to fraction form
    79,224.83/118,862.65 = 23,068.31/x
  3. Step 3: Cross multiply
    79,224.83x = 118,862.65 × 23,068.31
  4. Step 4: Simplify right side
    79,224.83x = 2,741,960,495.87
  5. Step 5: Solve for x
    x = 2,741,960,495.87/79,224.83
  6. Step 6: Final answer
    x = 34,609.86

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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.