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Finding the Fourth Proportional to 182,605.70, 251,981.52 and 100,930.52

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Solution

The fourth proportional to 182,605.70, 251,981.52 and 100,930.52 is: 139,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,605.70 : 251,981.52 = 100,930.52 : x
  2. Step 2: Convert to fraction form
    182,605.70/251,981.52 = 100,930.52/x
  3. Step 3: Cross multiply
    182,605.70x = 251,981.52 × 100,930.52
  4. Step 4: Simplify right side
    182,605.70x = 25,432,625,843.99
  5. Step 5: Solve for x
    x = 25,432,625,843.99/182,605.70
  6. Step 6: Final answer
    x = 139,276.19

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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.