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Finding the Fourth Proportional to 182,721.46, 252,157.49 and 102,153.46

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Solution

The fourth proportional to 182,721.46, 252,157.49 and 102,153.46 is: 140,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,721.46 : 252,157.49 = 102,153.46 : x
  2. Step 2: Convert to fraction form
    182,721.46/252,157.49 = 102,153.46/x
  3. Step 3: Cross multiply
    182,721.46x = 252,157.49 × 102,153.46
  4. Step 4: Simplify right side
    182,721.46x = 25,758,760,068.42
  5. Step 5: Solve for x
    x = 25,758,760,068.42/182,721.46
  6. Step 6: Final answer
    x = 140,972.82

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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.