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Finding the Fourth Proportional to 122,795.67, 169,456.33 and 69,080.67

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Solution

The fourth proportional to 122,795.67, 169,456.33 and 69,080.67 is: 95,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,795.67 : 169,456.33 = 69,080.67 : x
  2. Step 2: Convert to fraction form
    122,795.67/169,456.33 = 69,080.67/x
  3. Step 3: Cross multiply
    122,795.67x = 169,456.33 × 69,080.67
  4. Step 4: Simplify right side
    122,795.67x = 11,706,156,812.14
  5. Step 5: Solve for x
    x = 11,706,156,812.14/122,795.67
  6. Step 6: Final answer
    x = 95,330.37

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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.