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Finding the Fourth Proportional to 73,166.40, 109,662.48 and 35,191.80

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Solution

The fourth proportional to 73,166.40, 109,662.48 and 35,191.80 is: 52,745.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,166.40 : 109,662.48 = 35,191.80 : x
  2. Step 2: Convert to fraction form
    73,166.40/109,662.48 = 35,191.80/x
  3. Step 3: Cross multiply
    73,166.40x = 109,662.48 × 35,191.80
  4. Step 4: Simplify right side
    73,166.40x = 3,859,220,063.66
  5. Step 5: Solve for x
    x = 3,859,220,063.66/73,166.40
  6. Step 6: Final answer
    x = 52,745.80

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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.