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Finding the Fourth Proportional to 79,501.80, 119,245.36 and 26,905.24

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Solution

The fourth proportional to 79,501.80, 119,245.36 and 26,905.24 is: 40,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,501.80 : 119,245.36 = 26,905.24 : x
  2. Step 2: Convert to fraction form
    79,501.80/119,245.36 = 26,905.24/x
  3. Step 3: Cross multiply
    79,501.80x = 119,245.36 × 26,905.24
  4. Step 4: Simplify right side
    79,501.80x = 3,208,325,029.69
  5. Step 5: Solve for x
    x = 3,208,325,029.69/79,501.80
  6. Step 6: Final answer
    x = 40,355.38

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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.