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Finding the Fourth Proportional to 234,951.15, 324,229.25 and 127,518.42

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Solution

The fourth proportional to 234,951.15, 324,229.25 and 127,518.42 is: 175,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,951.15 : 324,229.25 = 127,518.42 : x
  2. Step 2: Convert to fraction form
    234,951.15/324,229.25 = 127,518.42/x
  3. Step 3: Cross multiply
    234,951.15x = 324,229.25 × 127,518.42
  4. Step 4: Simplify right side
    234,951.15x = 41,345,201,040.19
  5. Step 5: Solve for x
    x = 41,345,201,040.19/234,951.15
  6. Step 6: Final answer
    x = 175,973.61

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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.