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Finding the Fourth Proportional to 178,998.56, 246,956.54 and 110,991.06

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Solution

The fourth proportional to 178,998.56, 246,956.54 and 110,991.06 is: 153,129.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,998.56 : 246,956.54 = 110,991.06 : x
  2. Step 2: Convert to fraction form
    178,998.56/246,956.54 = 110,991.06/x
  3. Step 3: Cross multiply
    178,998.56x = 246,956.54 × 110,991.06
  4. Step 4: Simplify right side
    178,998.56x = 27,409,968,148.53
  5. Step 5: Solve for x
    x = 27,409,968,148.53/178,998.56
  6. Step 6: Final answer
    x = 153,129.55

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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.