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Finding the Fourth Proportional to 123,837.33, 170,894.01 and 67,249.11

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Solution

The fourth proportional to 123,837.33, 170,894.01 and 67,249.11 is: 92,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,837.33 : 170,894.01 = 67,249.11 : x
  2. Step 2: Convert to fraction form
    123,837.33/170,894.01 = 67,249.11/x
  3. Step 3: Cross multiply
    123,837.33x = 170,894.01 × 67,249.11
  4. Step 4: Simplify right side
    123,837.33x = 11,492,470,076.83
  5. Step 5: Solve for x
    x = 11,492,470,076.83/123,837.33
  6. Step 6: Final answer
    x = 92,802.95

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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.