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Finding the Fourth Proportional to 79,170.68, 118,768.38 and 26,592.50

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Solution

The fourth proportional to 79,170.68, 118,768.38 and 26,592.50 is: 39,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,170.68 : 118,768.38 = 26,592.50 : x
  2. Step 2: Convert to fraction form
    79,170.68/118,768.38 = 26,592.50/x
  3. Step 3: Cross multiply
    79,170.68x = 118,768.38 × 26,592.50
  4. Step 4: Simplify right side
    79,170.68x = 3,158,348,342.35
  5. Step 5: Solve for x
    x = 3,158,348,342.35/79,170.68
  6. Step 6: Final answer
    x = 39,892.90

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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.