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Finding the Fourth Proportional to 123,033.40, 184,550.10 and 107,481.40

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Solution

The fourth proportional to 123,033.40, 184,550.10 and 107,481.40 is: 161,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,033.40 : 184,550.10 = 107,481.40 : x
  2. Step 2: Convert to fraction form
    123,033.40/184,550.10 = 107,481.40/x
  3. Step 3: Cross multiply
    123,033.40x = 184,550.10 × 107,481.40
  4. Step 4: Simplify right side
    123,033.40x = 19,835,703,118.14
  5. Step 5: Solve for x
    x = 19,835,703,118.14/123,033.40
  6. Step 6: Final answer
    x = 161,222.10

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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.