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Finding the Fourth Proportional to 73,160.73, 109,729.65 and 23,234.25

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Solution

The fourth proportional to 73,160.73, 109,729.65 and 23,234.25 is: 34,847.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,160.73 : 109,729.65 = 23,234.25 : x
  2. Step 2: Convert to fraction form
    73,160.73/109,729.65 = 23,234.25/x
  3. Step 3: Cross multiply
    73,160.73x = 109,729.65 × 23,234.25
  4. Step 4: Simplify right side
    73,160.73x = 2,549,486,120.51
  5. Step 5: Solve for x
    x = 2,549,486,120.51/73,160.73
  6. Step 6: Final answer
    x = 34,847.74

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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.