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Finding the Fourth Proportional to 273,918.48, 378,123.90 and 166,522.82

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Solution

The fourth proportional to 273,918.48, 378,123.90 and 166,522.82 is: 229,872.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,918.48 : 378,123.90 = 166,522.82 : x
  2. Step 2: Convert to fraction form
    273,918.48/378,123.90 = 166,522.82/x
  3. Step 3: Cross multiply
    273,918.48x = 378,123.90 × 166,522.82
  4. Step 4: Simplify right side
    273,918.48x = 62,966,258,137.40
  5. Step 5: Solve for x
    x = 62,966,258,137.40/273,918.48
  6. Step 6: Final answer
    x = 229,872.25

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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.