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Finding the Fourth Proportional to 182,604.70, 251,980.14 and 100,929.52

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Solution

The fourth proportional to 182,604.70, 251,980.14 and 100,929.52 is: 139,274.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,604.70 : 251,980.14 = 100,929.52 : x
  2. Step 2: Convert to fraction form
    182,604.70/251,980.14 = 100,929.52/x
  3. Step 3: Cross multiply
    182,604.70x = 251,980.14 × 100,929.52
  4. Step 4: Simplify right side
    182,604.70x = 25,432,234,579.73
  5. Step 5: Solve for x
    x = 25,432,234,579.73/182,604.70
  6. Step 6: Final answer
    x = 139,274.81

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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.