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Finding the Fourth Proportional to 274,714.66, 379,164.81 and 161,601.94

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Solution

The fourth proportional to 274,714.66, 379,164.81 and 161,601.94 is: 223,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,714.66 : 379,164.81 = 161,601.94 : x
  2. Step 2: Convert to fraction form
    274,714.66/379,164.81 = 161,601.94/x
  3. Step 3: Cross multiply
    274,714.66x = 379,164.81 × 161,601.94
  4. Step 4: Simplify right side
    274,714.66x = 61,273,768,875.73
  5. Step 5: Solve for x
    x = 61,273,768,875.73/274,714.66
  6. Step 6: Final answer
    x = 223,045.14

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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.