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Finding the Fourth Proportional to 182,980.78, 274,260.53 and 70,611.30

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Solution

The fourth proportional to 182,980.78, 274,260.53 and 70,611.30 is: 105,835.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,980.78 : 274,260.53 = 70,611.30 : x
  2. Step 2: Convert to fraction form
    182,980.78/274,260.53 = 70,611.30/x
  3. Step 3: Cross multiply
    182,980.78x = 274,260.53 × 70,611.30
  4. Step 4: Simplify right side
    182,980.78x = 19,365,892,738.52
  5. Step 5: Solve for x
    x = 19,365,892,738.52/182,980.78
  6. Step 6: Final answer
    x = 105,835.67

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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.