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Finding the Fourth Proportional to 78,794.88, 118,193.33 and 26,204.37

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Solution

The fourth proportional to 78,794.88, 118,193.33 and 26,204.37 is: 39,306.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,794.88 : 118,193.33 = 26,204.37 : x
  2. Step 2: Convert to fraction form
    78,794.88/118,193.33 = 26,204.37/x
  3. Step 3: Cross multiply
    78,794.88x = 118,193.33 × 26,204.37
  4. Step 4: Simplify right side
    78,794.88x = 3,097,181,750.85
  5. Step 5: Solve for x
    x = 3,097,181,750.85/78,794.88
  6. Step 6: Final answer
    x = 39,306.89

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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.