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Finding the Fourth Proportional to 79,085.70, 118,625.08 and 22,924.58

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Solution

The fourth proportional to 79,085.70, 118,625.08 and 22,924.58 is: 34,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,085.70 : 118,625.08 = 22,924.58 : x
  2. Step 2: Convert to fraction form
    79,085.70/118,625.08 = 22,924.58/x
  3. Step 3: Cross multiply
    79,085.70x = 118,625.08 × 22,924.58
  4. Step 4: Simplify right side
    79,085.70x = 2,719,430,136.47
  5. Step 5: Solve for x
    x = 2,719,430,136.47/79,085.70
  6. Step 6: Final answer
    x = 34,385.87

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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.