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Finding the Fourth Proportional to 73,549.92, 110,325.12 and 20,242.62

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Solution

The fourth proportional to 73,549.92, 110,325.12 and 20,242.62 is: 30,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,549.92 : 110,325.12 = 20,242.62 : x
  2. Step 2: Convert to fraction form
    73,549.92/110,325.12 = 20,242.62/x
  3. Step 3: Cross multiply
    73,549.92x = 110,325.12 × 20,242.62
  4. Step 4: Simplify right side
    73,549.92x = 2,233,269,480.61
  5. Step 5: Solve for x
    x = 2,233,269,480.61/73,549.92
  6. Step 6: Final answer
    x = 30,364.00

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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.