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Finding the Fourth Proportional to 175,910.80, 263,866.20 and 97,178.80

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Solution

The fourth proportional to 175,910.80, 263,866.20 and 97,178.80 is: 145,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,910.80 : 263,866.20 = 97,178.80 : x
  2. Step 2: Convert to fraction form
    175,910.80/263,866.20 = 97,178.80/x
  3. Step 3: Cross multiply
    175,910.80x = 263,866.20 × 97,178.80
  4. Step 4: Simplify right side
    175,910.80x = 25,642,200,676.56
  5. Step 5: Solve for x
    x = 25,642,200,676.56/175,910.80
  6. Step 6: Final answer
    x = 145,768.20

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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.