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Finding the Fourth Proportional to 73,010.22, 109,530.11 and 30,890.22

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Solution

The fourth proportional to 73,010.22, 109,530.11 and 30,890.22 is: 46,341.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,010.22 : 109,530.11 = 30,890.22 : x
  2. Step 2: Convert to fraction form
    73,010.22/109,530.11 = 30,890.22/x
  3. Step 3: Cross multiply
    73,010.22x = 109,530.11 × 30,890.22
  4. Step 4: Simplify right side
    73,010.22x = 3,383,409,194.52
  5. Step 5: Solve for x
    x = 3,383,409,194.52/73,010.22
  6. Step 6: Final answer
    x = 46,341.58

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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.