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Finding the Fourth Proportional to 182,084.78, 273,129.69 and 69,770.67

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Solution

The fourth proportional to 182,084.78, 273,129.69 and 69,770.67 is: 104,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,084.78 : 273,129.69 = 69,770.67 : x
  2. Step 2: Convert to fraction form
    182,084.78/273,129.69 = 69,770.67/x
  3. Step 3: Cross multiply
    182,084.78x = 273,129.69 × 69,770.67
  4. Step 4: Simplify right side
    182,084.78x = 19,056,441,468.19
  5. Step 5: Solve for x
    x = 19,056,441,468.19/182,084.78
  6. Step 6: Final answer
    x = 104,656.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.