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Finding the Fourth Proportional to 73,207.44, 109,811.88 and 20,617.92

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Solution

The fourth proportional to 73,207.44, 109,811.88 and 20,617.92 is: 30,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,207.44 : 109,811.88 = 20,617.92 : x
  2. Step 2: Convert to fraction form
    73,207.44/109,811.88 = 20,617.92/x
  3. Step 3: Cross multiply
    73,207.44x = 109,811.88 × 20,617.92
  4. Step 4: Simplify right side
    73,207.44x = 2,264,092,556.89
  5. Step 5: Solve for x
    x = 2,264,092,556.89/73,207.44
  6. Step 6: Final answer
    x = 30,927.08

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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.