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Finding the Fourth Proportional to 182,687.18, 252,186 and 111,090.20

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Solution

The fourth proportional to 182,687.18, 252,186 and 111,090.20 is: 153,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,687.18 : 252,186 = 111,090.20 : x
  2. Step 2: Convert to fraction form
    182,687.18/252,186 = 111,090.20/x
  3. Step 3: Cross multiply
    182,687.18x = 252,186 × 111,090.20
  4. Step 4: Simplify right side
    182,687.18x = 28,015,393,177.20
  5. Step 5: Solve for x
    x = 28,015,393,177.20/182,687.18
  6. Step 6: Final answer
    x = 153,351.72

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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.