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Finding the Fourth Proportional to 161,287.50, 241,972.02 and 113,995.56

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Solution

The fourth proportional to 161,287.50, 241,972.02 and 113,995.56 is: 171,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,287.50 : 241,972.02 = 113,995.56 : x
  2. Step 2: Convert to fraction form
    161,287.50/241,972.02 = 113,995.56/x
  3. Step 3: Cross multiply
    161,287.50x = 241,972.02 × 113,995.56
  4. Step 4: Simplify right side
    161,287.50x = 27,583,735,924.23
  5. Step 5: Solve for x
    x = 27,583,735,924.23/161,287.50
  6. Step 6: Final answer
    x = 171,022.16

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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.