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Finding the Fourth Proportional to 268,967.84, 403,264.92 and 119,126.48

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Solution

The fourth proportional to 268,967.84, 403,264.92 and 119,126.48 is: 178,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,967.84 : 403,264.92 = 119,126.48 : x
  2. Step 2: Convert to fraction form
    268,967.84/403,264.92 = 119,126.48/x
  3. Step 3: Cross multiply
    268,967.84x = 403,264.92 × 119,126.48
  4. Step 4: Simplify right side
    268,967.84x = 48,039,530,427.08
  5. Step 5: Solve for x
    x = 48,039,530,427.08/268,967.84
  6. Step 6: Final answer
    x = 178,606.97

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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.