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Finding the Fourth Proportional to 234,960.74, 324,246.11 and 127,530.77

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Solution

The fourth proportional to 234,960.74, 324,246.11 and 127,530.77 is: 175,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,960.74 : 324,246.11 = 127,530.77 : x
  2. Step 2: Convert to fraction form
    234,960.74/324,246.11 = 127,530.77/x
  3. Step 3: Cross multiply
    234,960.74x = 324,246.11 × 127,530.77
  4. Step 4: Simplify right side
    234,960.74x = 41,351,354,775.40
  5. Step 5: Solve for x
    x = 41,351,354,775.40/234,960.74
  6. Step 6: Final answer
    x = 175,992.61

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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.