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Finding the Fourth Proportional to 187,992.84, 259,492.15 and 168,063.80

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Solution

The fourth proportional to 187,992.84, 259,492.15 and 168,063.80 is: 231,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,992.84 : 259,492.15 = 168,063.80 : x
  2. Step 2: Convert to fraction form
    187,992.84/259,492.15 = 168,063.80/x
  3. Step 3: Cross multiply
    187,992.84x = 259,492.15 × 168,063.80
  4. Step 4: Simplify right side
    187,992.84x = 43,611,236,799.17
  5. Step 5: Solve for x
    x = 43,611,236,799.17/187,992.84
  6. Step 6: Final answer
    x = 231,983.50

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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.