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Finding the Fourth Proportional to 73,074.56, 109,620.48 and 23,156.96

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Solution

The fourth proportional to 73,074.56, 109,620.48 and 23,156.96 is: 34,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,074.56 : 109,620.48 = 23,156.96 : x
  2. Step 2: Convert to fraction form
    73,074.56/109,620.48 = 23,156.96/x
  3. Step 3: Cross multiply
    73,074.56x = 109,620.48 × 23,156.96
  4. Step 4: Simplify right side
    73,074.56x = 2,538,477,070.54
  5. Step 5: Solve for x
    x = 2,538,477,070.54/73,074.56
  6. Step 6: Final answer
    x = 34,738.18

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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.