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Finding the Fourth Proportional to 79,078.96, 118,600.68 and 22,918.96

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Solution

The fourth proportional to 79,078.96, 118,600.68 and 22,918.96 is: 34,373.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,078.96 : 118,600.68 = 22,918.96 : x
  2. Step 2: Convert to fraction form
    79,078.96/118,600.68 = 22,918.96/x
  3. Step 3: Cross multiply
    79,078.96x = 118,600.68 × 22,918.96
  4. Step 4: Simplify right side
    79,078.96x = 2,718,204,240.89
  5. Step 5: Solve for x
    x = 2,718,204,240.89/79,078.96
  6. Step 6: Final answer
    x = 34,373.29

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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.