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Finding the Fourth Proportional to 183,060.55, 274,630.98 and 54,971.20

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Solution

The fourth proportional to 183,060.55, 274,630.98 and 54,971.20 is: 82,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,060.55 : 274,630.98 = 54,971.20 : x
  2. Step 2: Convert to fraction form
    183,060.55/274,630.98 = 54,971.20/x
  3. Step 3: Cross multiply
    183,060.55x = 274,630.98 × 54,971.20
  4. Step 4: Simplify right side
    183,060.55x = 15,096,794,527.78
  5. Step 5: Solve for x
    x = 15,096,794,527.78/183,060.55
  6. Step 6: Final answer
    x = 82,468.86

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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.