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Finding the Fourth Proportional to 182,720.46, 252,156.11 and 102,152.46

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Solution

The fourth proportional to 182,720.46, 252,156.11 and 102,152.46 is: 140,971.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,720.46 : 252,156.11 = 102,152.46 : x
  2. Step 2: Convert to fraction form
    182,720.46/252,156.11 = 102,152.46/x
  3. Step 3: Cross multiply
    182,720.46x = 252,156.11 × 102,152.46
  4. Step 4: Simplify right side
    182,720.46x = 25,758,366,940.53
  5. Step 5: Solve for x
    x = 25,758,366,940.53/182,720.46
  6. Step 6: Final answer
    x = 140,971.44

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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.