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Finding the Fourth Proportional to 123,929.84, 185,894.36 and 35,183.40

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Solution

The fourth proportional to 123,929.84, 185,894.36 and 35,183.40 is: 52,774.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,929.84 : 185,894.36 = 35,183.40 : x
  2. Step 2: Convert to fraction form
    123,929.84/185,894.36 = 35,183.40/x
  3. Step 3: Cross multiply
    123,929.84x = 185,894.36 × 35,183.40
  4. Step 4: Simplify right side
    123,929.84x = 6,540,395,625.62
  5. Step 5: Solve for x
    x = 6,540,395,625.62/123,929.84
  6. Step 6: Final answer
    x = 52,774.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.