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Finding the Fourth Proportional to 234,469.73, 323,567.12 and 127,039.73

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Solution

The fourth proportional to 234,469.73, 323,567.12 and 127,039.73 is: 175,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,469.73 : 323,567.12 = 127,039.73 : x
  2. Step 2: Convert to fraction form
    234,469.73/323,567.12 = 127,039.73/x
  3. Step 3: Cross multiply
    234,469.73x = 323,567.12 × 127,039.73
  4. Step 4: Simplify right side
    234,469.73x = 41,105,879,561.68
  5. Step 5: Solve for x
    x = 41,105,879,561.68/234,469.73
  6. Step 6: Final answer
    x = 175,314.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.