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Finding the Fourth Proportional to 234,770.94, 323,981.52 and 127,338.67

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Solution

The fourth proportional to 234,770.94, 323,981.52 and 127,338.67 is: 175,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,770.94 : 323,981.52 = 127,338.67 : x
  2. Step 2: Convert to fraction form
    234,770.94/323,981.52 = 127,338.67/x
  3. Step 3: Cross multiply
    234,770.94x = 323,981.52 × 127,338.67
  4. Step 4: Simplify right side
    234,770.94x = 41,255,373,604.78
  5. Step 5: Solve for x
    x = 41,255,373,604.78/234,770.94
  6. Step 6: Final answer
    x = 175,726.07

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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.