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Finding the Fourth Proportional to 268,492.84, 370,427.92 and 166,481.59

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Solution

The fourth proportional to 268,492.84, 370,427.92 and 166,481.59 is: 229,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,492.84 : 370,427.92 = 166,481.59 : x
  2. Step 2: Convert to fraction form
    268,492.84/370,427.92 = 166,481.59/x
  3. Step 3: Cross multiply
    268,492.84x = 370,427.92 × 166,481.59
  4. Step 4: Simplify right side
    268,492.84x = 61,669,429,101.99
  5. Step 5: Solve for x
    x = 61,669,429,101.99/268,492.84
  6. Step 6: Final answer
    x = 229,687.43

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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.