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Finding the Fourth Proportional to 243,141.54, 335,689.41 and 166,788.54

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Solution

The fourth proportional to 243,141.54, 335,689.41 and 166,788.54 is: 230,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,141.54 : 335,689.41 = 166,788.54 : x
  2. Step 2: Convert to fraction form
    243,141.54/335,689.41 = 166,788.54/x
  3. Step 3: Cross multiply
    243,141.54x = 335,689.41 × 166,788.54
  4. Step 4: Simplify right side
    243,141.54x = 55,989,146,587.36
  5. Step 5: Solve for x
    x = 55,989,146,587.36/243,141.54
  6. Step 6: Final answer
    x = 230,273.88

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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.