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Finding the Fourth Proportional to 73,173.48, 109,749 and 23,247.12

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Solution

The fourth proportional to 73,173.48, 109,749 and 23,247.12 is: 34,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,173.48 : 109,749 = 23,247.12 : x
  2. Step 2: Convert to fraction form
    73,173.48/109,749 = 23,247.12/x
  3. Step 3: Cross multiply
    73,173.48x = 109,749 × 23,247.12
  4. Step 4: Simplify right side
    73,173.48x = 2,551,348,172.88
  5. Step 5: Solve for x
    x = 2,551,348,172.88/73,173.48
  6. Step 6: Final answer
    x = 34,867.12

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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.