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Finding the Fourth Proportional to 183,169.80, 274,754.70 and 165,090.60

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Solution

The fourth proportional to 183,169.80, 274,754.70 and 165,090.60 is: 247,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,169.80 : 274,754.70 = 165,090.60 : x
  2. Step 2: Convert to fraction form
    183,169.80/274,754.70 = 165,090.60/x
  3. Step 3: Cross multiply
    183,169.80x = 274,754.70 × 165,090.60
  4. Step 4: Simplify right side
    183,169.80x = 45,359,418,275.82
  5. Step 5: Solve for x
    x = 45,359,418,275.82/183,169.80
  6. Step 6: Final answer
    x = 247,635.90

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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.