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Finding the Fourth Proportional to 73,443.50, 110,164.98 and 20,852.99

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Solution

The fourth proportional to 73,443.50, 110,164.98 and 20,852.99 is: 31,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,443.50 : 110,164.98 = 20,852.99 : x
  2. Step 2: Convert to fraction form
    73,443.50/110,164.98 = 20,852.99/x
  3. Step 3: Cross multiply
    73,443.50x = 110,164.98 × 20,852.99
  4. Step 4: Simplify right side
    73,443.50x = 2,297,269,226.29
  5. Step 5: Solve for x
    x = 2,297,269,226.29/73,443.50
  6. Step 6: Final answer
    x = 31,279.41

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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.